Home / 113,533,601.72-156,744,429.68-74,443,569.44

Finding the Fourth Proportional to 113,533,601.72, 156,744,429.68 and 74,443,569.44

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Solution

The fourth proportional to 113,533,601.72, 156,744,429.68 and 74,443,569.44 is: 102,776,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,533,601.72 : 156,744,429.68 = 74,443,569.44 : x
  2. Step 2: Convert to fraction form
    113,533,601.72/156,744,429.68 = 74,443,569.44/x
  3. Step 3: Cross multiply
    113,533,601.72x = 156,744,429.68 × 74,443,569.44
  4. Step 4: Simplify right side
    113,533,601.72x = 11,668,614,835,216,278
  5. Step 5: Solve for x
    x = 11,668,614,835,216,278/113,533,601.72
  6. Step 6: Final answer
    x = 102,776,752.07

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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.