Home / 122,992,613.64-169,731,824.40-73,437,317.28

Finding the Fourth Proportional to 122,992,613.64, 169,731,824.40 and 73,437,317.28

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Solution

The fourth proportional to 122,992,613.64, 169,731,824.40 and 73,437,317.28 is: 101,344,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,992,613.64 : 169,731,824.40 = 73,437,317.28 : x
  2. Step 2: Convert to fraction form
    122,992,613.64/169,731,824.40 = 73,437,317.28/x
  3. Step 3: Cross multiply
    122,992,613.64x = 169,731,824.40 × 73,437,317.28
  4. Step 4: Simplify right side
    122,992,613.64x = 12,464,649,840,976,046
  5. Step 5: Solve for x
    x = 12,464,649,840,976,046/122,992,613.64
  6. Step 6: Final answer
    x = 101,344,702.52

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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.