Home / 80,130,784.80-120,196,177.20-19,546,510.80

Finding the Fourth Proportional to 80,130,784.80, 120,196,177.20 and 19,546,510.80

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Solution

The fourth proportional to 80,130,784.80, 120,196,177.20 and 19,546,510.80 is: 29,319,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,130,784.80 : 120,196,177.20 = 19,546,510.80 : x
  2. Step 2: Convert to fraction form
    80,130,784.80/120,196,177.20 = 19,546,510.80/x
  3. Step 3: Cross multiply
    80,130,784.80x = 120,196,177.20 × 19,546,510.80
  4. Step 4: Simplify right side
    80,130,784.80x = 2,349,415,875,758,514
  5. Step 5: Solve for x
    x = 2,349,415,875,758,514/80,130,784.80
  6. Step 6: Final answer
    x = 29,319,766.20

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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.