Home / 94,796,427.60-142,194,641.40-87,406,117.20

Finding the Fourth Proportional to 94,796,427.60, 142,194,641.40 and 87,406,117.20

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Solution

The fourth proportional to 94,796,427.60, 142,194,641.40 and 87,406,117.20 is: 131,109,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,796,427.60 : 142,194,641.40 = 87,406,117.20 : x
  2. Step 2: Convert to fraction form
    94,796,427.60/142,194,641.40 = 87,406,117.20/x
  3. Step 3: Cross multiply
    94,796,427.60x = 142,194,641.40 × 87,406,117.20
  4. Step 4: Simplify right side
    94,796,427.60x = 12,428,681,491,420,374
  5. Step 5: Solve for x
    x = 12,428,681,491,420,374/94,796,427.60
  6. Step 6: Final answer
    x = 131,109,175.80

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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.