Home / 137,854,634.76-190,236,119.22-75,132,713.16

Finding the Fourth Proportional to 137,854,634.76, 190,236,119.22 and 75,132,713.16

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Solution

The fourth proportional to 137,854,634.76, 190,236,119.22 and 75,132,713.16 is: 103,681,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,854,634.76 : 190,236,119.22 = 75,132,713.16 : x
  2. Step 2: Convert to fraction form
    137,854,634.76/190,236,119.22 = 75,132,713.16/x
  3. Step 3: Cross multiply
    137,854,634.76x = 190,236,119.22 × 75,132,713.16
  4. Step 4: Simplify right side
    137,854,634.76x = 14,292,955,778,027,822
  5. Step 5: Solve for x
    x = 14,292,955,778,027,822/137,854,634.76
  6. Step 6: Final answer
    x = 103,681,358.29

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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.