Home / 137,957,928.60-206,761,058.10-73,292,712.60

Finding the Fourth Proportional to 137,957,928.60, 206,761,058.10 and 73,292,712.60

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Solution

The fourth proportional to 137,957,928.60, 206,761,058.10 and 73,292,712.60 is: 109,845,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,957,928.60 : 206,761,058.10 = 73,292,712.60 : x
  2. Step 2: Convert to fraction form
    137,957,928.60/206,761,058.10 = 73,292,712.60/x
  3. Step 3: Cross multiply
    137,957,928.60x = 206,761,058.10 × 73,292,712.60
  4. Step 4: Simplify right side
    137,957,928.60x = 15,154,078,808,195,200
  5. Step 5: Solve for x
    x = 15,154,078,808,195,200/137,957,928.60
  6. Step 6: Final answer
    x = 109,845,653.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.