Home / 108,773,720.04-163,321,387.74-72,607,440.36

Finding the Fourth Proportional to 108,773,720.04, 163,321,387.74 and 72,607,440.36

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Solution

The fourth proportional to 108,773,720.04, 163,321,387.74 and 72,607,440.36 is: 109,018,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773,720.04 : 163,321,387.74 = 72,607,440.36 : x
  2. Step 2: Convert to fraction form
    108,773,720.04/163,321,387.74 = 72,607,440.36/x
  3. Step 3: Cross multiply
    108,773,720.04x = 163,321,387.74 × 72,607,440.36
  4. Step 4: Simplify right side
    108,773,720.04x = 11,858,347,919,844,486
  5. Step 5: Solve for x
    x = 11,858,347,919,844,486/108,773,720.04
  6. Step 6: Final answer
    x = 109,018,501.12

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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.