Home / 292,478,010.52-438,712,587.12-71,151,434.44

Finding the Fourth Proportional to 292,478,010.52, 438,712,587.12 and 71,151,434.44

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Solution

The fourth proportional to 292,478,010.52, 438,712,587.12 and 71,151,434.44 is: 106,726,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,478,010.52 : 438,712,587.12 = 71,151,434.44 : x
  2. Step 2: Convert to fraction form
    292,478,010.52/438,712,587.12 = 71,151,434.44/x
  3. Step 3: Cross multiply
    292,478,010.52x = 438,712,587.12 × 71,151,434.44
  4. Step 4: Simplify right side
    292,478,010.52x = 31,215,029,880,471,468
  5. Step 5: Solve for x
    x = 31,215,029,880,471,468/292,478,010.52
  6. Step 6: Final answer
    x = 106,726,074.30

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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.