Home / 113,533,592.70-156,744,417.24-74,443,560.42

Finding the Fourth Proportional to 113,533,592.70, 156,744,417.24 and 74,443,560.42

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Solution

The fourth proportional to 113,533,592.70, 156,744,417.24 and 74,443,560.42 is: 102,776,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,533,592.70 : 156,744,417.24 = 74,443,560.42 : x
  2. Step 2: Convert to fraction form
    113,533,592.70/156,744,417.24 = 74,443,560.42/x
  3. Step 3: Cross multiply
    113,533,592.70x = 156,744,417.24 × 74,443,560.42
  4. Step 4: Simplify right side
    113,533,592.70x = 11,668,612,495,303,630
  5. Step 5: Solve for x
    x = 11,668,612,495,303,630/113,533,592.70
  6. Step 6: Final answer
    x = 102,776,739.62

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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.