Home / 134,534,386.53-185,657,446.31-72,654,719.13

Finding the Fourth Proportional to 134,534,386.53, 185,657,446.31 and 72,654,719.13

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Solution

The fourth proportional to 134,534,386.53, 185,657,446.31 and 72,654,719.13 is: 100,263,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534,386.53 : 185,657,446.31 = 72,654,719.13 : x
  2. Step 2: Convert to fraction form
    134,534,386.53/185,657,446.31 = 72,654,719.13/x
  3. Step 3: Cross multiply
    134,534,386.53x = 185,657,446.31 × 72,654,719.13
  4. Step 4: Simplify right side
    134,534,386.53x = 13,488,889,615,682,830
  5. Step 5: Solve for x
    x = 13,488,889,615,682,830/134,534,386.53
  6. Step 6: Final answer
    x = 100,263,508.56

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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.