Home / 122,534,566.40-169,097,702.40-67,530,423.68

Finding the Fourth Proportional to 122,534,566.40, 169,097,702.40 and 67,530,423.68

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Solution

The fourth proportional to 122,534,566.40, 169,097,702.40 and 67,530,423.68 is: 93,191,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,534,566.40 : 169,097,702.40 = 67,530,423.68 : x
  2. Step 2: Convert to fraction form
    122,534,566.40/169,097,702.40 = 67,530,423.68/x
  3. Step 3: Cross multiply
    122,534,566.40x = 169,097,702.40 × 67,530,423.68
  4. Step 4: Simplify right side
    122,534,566.40x = 11,419,239,486,386,554
  5. Step 5: Solve for x
    x = 11,419,239,486,386,554/122,534,566.40
  6. Step 6: Final answer
    x = 93,191,985.10

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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.