Home / 57,371,253.32-79,170,019.76-31,265,210.60

Finding the Fourth Proportional to 57,371,253.32, 79,170,019.76 and 31,265,210.60

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Solution

The fourth proportional to 57,371,253.32, 79,170,019.76 and 31,265,210.60 is: 43,144,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371,253.32 : 79,170,019.76 = 31,265,210.60 : x
  2. Step 2: Convert to fraction form
    57,371,253.32/79,170,019.76 = 31,265,210.60/x
  3. Step 3: Cross multiply
    57,371,253.32x = 79,170,019.76 × 31,265,210.60
  4. Step 4: Simplify right side
    57,371,253.32x = 2,475,267,341,002,561.50
  5. Step 5: Solve for x
    x = 2,475,267,341,002,561.50/57,371,253.32
  6. Step 6: Final answer
    x = 43,144,731.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.