Home / 80,712,771,306.30-121,069,156,959.45-55,607,923,619.10

Finding the Fourth Proportional to 80,712,771,306.30, 121,069,156,959.45 and 55,607,923,619.10

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Solution

The fourth proportional to 80,712,771,306.30, 121,069,156,959.45 and 55,607,923,619.10 is: 83,411,885,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712,771,306.30 : 121,069,156,959.45 = 55,607,923,619.10 : x
  2. Step 2: Convert to fraction form
    80,712,771,306.30/121,069,156,959.45 = 55,607,923,619.10/x
  3. Step 3: Cross multiply
    80,712,771,306.30x = 121,069,156,959.45 × 55,607,923,619.10
  4. Step 4: Simplify right side
    80,712,771,306.30x = 6,732,404,432,829,923,983,360
  5. Step 5: Solve for x
    x = 6,732,404,432,829,923,983,360/80,712,771,306.30
  6. Step 6: Final answer
    x = 83,411,885,428.65

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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.