Home / 80,712,768,031.80-121,069,152,047.70-80,712,768,031.80

Finding the Fourth Proportional to 80,712,768,031.80, 121,069,152,047.70 and 80,712,768,031.80

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Solution

The fourth proportional to 80,712,768,031.80, 121,069,152,047.70 and 80,712,768,031.80 is: 121,069,152,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712,768,031.80 : 121,069,152,047.70 = 80,712,768,031.80 : x
  2. Step 2: Convert to fraction form
    80,712,768,031.80/121,069,152,047.70 = 80,712,768,031.80/x
  3. Step 3: Cross multiply
    80,712,768,031.80x = 121,069,152,047.70 × 80,712,768,031.80
  4. Step 4: Simplify right side
    80,712,768,031.80x = 9,771,826,385,032,734,310,400
  5. Step 5: Solve for x
    x = 9,771,826,385,032,734,310,400/80,712,768,031.80
  6. Step 6: Final answer
    x = 121,069,152,047.70

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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.