Home / 71,087,876.57-98,101,402.65-39,725,925.59

Finding the Fourth Proportional to 71,087,876.57, 98,101,402.65 and 39,725,925.59

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Solution

The fourth proportional to 71,087,876.57, 98,101,402.65 and 39,725,925.59 is: 54,821,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,087,876.57 : 98,101,402.65 = 39,725,925.59 : x
  2. Step 2: Convert to fraction form
    71,087,876.57/98,101,402.65 = 39,725,925.59/x
  3. Step 3: Cross multiply
    71,087,876.57x = 98,101,402.65 × 39,725,925.59
  4. Step 4: Simplify right side
    71,087,876.57x = 3,897,169,022,193,782.50
  5. Step 5: Solve for x
    x = 3,897,169,022,193,782.50/71,087,876.57
  6. Step 6: Final answer
    x = 54,821,851.63

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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.