Home / 71,138,429.52-98,133,165.15-43,269,663.48

Finding the Fourth Proportional to 71,138,429.52, 98,133,165.15 and 43,269,663.48

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Solution

The fourth proportional to 71,138,429.52, 98,133,165.15 and 43,269,663.48 is: 59,689,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,138,429.52 : 98,133,165.15 = 43,269,663.48 : x
  2. Step 2: Convert to fraction form
    71,138,429.52/98,133,165.15 = 43,269,663.48/x
  3. Step 3: Cross multiply
    71,138,429.52x = 98,133,165.15 × 43,269,663.48
  4. Step 4: Simplify right side
    71,138,429.52x = 4,246,189,032,267,763.50
  5. Step 5: Solve for x
    x = 4,246,189,032,267,763.50/71,138,429.52
  6. Step 6: Final answer
    x = 59,689,102.79

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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.