Home / 80,808,193,897.80-121,212,290,846.70-45,979,676,521.80

Finding the Fourth Proportional to 80,808,193,897.80, 121,212,290,846.70 and 45,979,676,521.80

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Solution

The fourth proportional to 80,808,193,897.80, 121,212,290,846.70 and 45,979,676,521.80 is: 68,969,514,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,808,193,897.80 : 121,212,290,846.70 = 45,979,676,521.80 : x
  2. Step 2: Convert to fraction form
    80,808,193,897.80/121,212,290,846.70 = 45,979,676,521.80/x
  3. Step 3: Cross multiply
    80,808,193,897.80x = 121,212,290,846.70 × 45,979,676,521.80
  4. Step 4: Simplify right side
    80,808,193,897.80x = 5,573,301,923,597,604,880,384
  5. Step 5: Solve for x
    x = 5,573,301,923,597,604,880,384/80,808,193,897.80
  6. Step 6: Final answer
    x = 68,969,514,782.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.