Home / 60,428,471.40-90,642,707.10-52,208,850.60

Finding the Fourth Proportional to 60,428,471.40, 90,642,707.10 and 52,208,850.60

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Solution

The fourth proportional to 60,428,471.40, 90,642,707.10 and 52,208,850.60 is: 78,313,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428,471.40 : 90,642,707.10 = 52,208,850.60 : x
  2. Step 2: Convert to fraction form
    60,428,471.40/90,642,707.10 = 52,208,850.60/x
  3. Step 3: Cross multiply
    60,428,471.40x = 90,642,707.10 × 52,208,850.60
  4. Step 4: Simplify right side
    60,428,471.40x = 4,732,351,552,963,459
  5. Step 5: Solve for x
    x = 4,732,351,552,963,459/60,428,471.40
  6. Step 6: Final answer
    x = 78,313,275.90

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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.