Home / 134,534,388.04-185,657,448.38-72,654,720.64

Finding the Fourth Proportional to 134,534,388.04, 185,657,448.38 and 72,654,720.64

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Solution

The fourth proportional to 134,534,388.04, 185,657,448.38 and 72,654,720.64 is: 100,263,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534,388.04 : 185,657,448.38 = 72,654,720.64 : x
  2. Step 2: Convert to fraction form
    134,534,388.04/185,657,448.38 = 72,654,720.64/x
  3. Step 3: Cross multiply
    134,534,388.04x = 185,657,448.38 × 72,654,720.64
  4. Step 4: Simplify right side
    134,534,388.04x = 13,488,890,046,784,120
  5. Step 5: Solve for x
    x = 13,488,890,046,784,120/134,534,388.04
  6. Step 6: Final answer
    x = 100,263,510.64

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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.