Home / 42,912,077.60-64,343,233.20-15,988,455.20

Finding the Fourth Proportional to 42,912,077.60, 64,343,233.20 and 15,988,455.20

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Solution

The fourth proportional to 42,912,077.60, 64,343,233.20 and 15,988,455.20 is: 23,973,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,077.60 : 64,343,233.20 = 15,988,455.20 : x
  2. Step 2: Convert to fraction form
    42,912,077.60/64,343,233.20 = 15,988,455.20/x
  3. Step 3: Cross multiply
    42,912,077.60x = 64,343,233.20 × 15,988,455.20
  4. Step 4: Simplify right side
    42,912,077.60x = 1,028,748,901,441,352.62
  5. Step 5: Solve for x
    x = 1,028,748,901,441,352.62/42,912,077.60
  6. Step 6: Final answer
    x = 23,973,411.66

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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.