Home / 134,680,920.98-185,859,726-72,801,259.34

Finding the Fourth Proportional to 134,680,920.98, 185,859,726 and 72,801,259.34

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Solution

The fourth proportional to 134,680,920.98, 185,859,726 and 72,801,259.34 is: 100,465,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680,920.98 : 185,859,726 = 72,801,259.34 : x
  2. Step 2: Convert to fraction form
    134,680,920.98/185,859,726 = 72,801,259.34/x
  3. Step 3: Cross multiply
    134,680,920.98x = 185,859,726 × 72,801,259.34
  4. Step 4: Simplify right side
    134,680,920.98x = 13,530,822,113,387,342
  5. Step 5: Solve for x
    x = 13,530,822,113,387,342/134,680,920.98
  6. Step 6: Final answer
    x = 100,465,767.64

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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.