Home / 60,428,479.40-90,642,719.10-52,208,858.60

Finding the Fourth Proportional to 60,428,479.40, 90,642,719.10 and 52,208,858.60

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Solution

The fourth proportional to 60,428,479.40, 90,642,719.10 and 52,208,858.60 is: 78,313,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428,479.40 : 90,642,719.10 = 52,208,858.60 : x
  2. Step 2: Convert to fraction form
    60,428,479.40/90,642,719.10 = 52,208,858.60/x
  3. Step 3: Cross multiply
    60,428,479.40x = 90,642,719.10 × 52,208,858.60
  4. Step 4: Simplify right side
    60,428,479.40x = 4,732,352,904,611,419
  5. Step 5: Solve for x
    x = 4,732,352,904,611,419/60,428,479.40
  6. Step 6: Final answer
    x = 78,313,287.90

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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.