Home / 103,672,150.32-155,531,420.76-38,976,516.02

Finding the Fourth Proportional to 103,672,150.32, 155,531,420.76 and 38,976,516.02

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Solution

The fourth proportional to 103,672,150.32, 155,531,420.76 and 38,976,516.02 is: 58,473,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672,150.32 : 155,531,420.76 = 38,976,516.02 : x
  2. Step 2: Convert to fraction form
    103,672,150.32/155,531,420.76 = 38,976,516.02/x
  3. Step 3: Cross multiply
    103,672,150.32x = 155,531,420.76 × 38,976,516.02
  4. Step 4: Simplify right side
    103,672,150.32x = 6,062,072,912,865,501
  5. Step 5: Solve for x
    x = 6,062,072,912,865,501/103,672,150.32
  6. Step 6: Final answer
    x = 58,473,494.51

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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.