Home / 122,873,838.40-169,566,475.08-67,120,032.16

Finding the Fourth Proportional to 122,873,838.40, 169,566,475.08 and 67,120,032.16

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Solution

The fourth proportional to 122,873,838.40, 169,566,475.08 and 67,120,032.16 is: 92,625,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,873,838.40 : 169,566,475.08 = 67,120,032.16 : x
  2. Step 2: Convert to fraction form
    122,873,838.40/169,566,475.08 = 67,120,032.16/x
  3. Step 3: Cross multiply
    122,873,838.40x = 169,566,475.08 × 67,120,032.16
  4. Step 4: Simplify right side
    122,873,838.40x = 11,381,307,260,627,438
  5. Step 5: Solve for x
    x = 11,381,307,260,627,438/122,873,838.40
  6. Step 6: Final answer
    x = 92,625,960.16

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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.