Home / 108,773,721.04-163,321,389.24-72,607,441.36

Finding the Fourth Proportional to 108,773,721.04, 163,321,389.24 and 72,607,441.36

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Solution

The fourth proportional to 108,773,721.04, 163,321,389.24 and 72,607,441.36 is: 109,018,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773,721.04 : 163,321,389.24 = 72,607,441.36 : x
  2. Step 2: Convert to fraction form
    108,773,721.04/163,321,389.24 = 72,607,441.36/x
  3. Step 3: Cross multiply
    108,773,721.04x = 163,321,389.24 × 72,607,441.36
  4. Step 4: Simplify right side
    108,773,721.04x = 11,858,348,192,077,036
  5. Step 5: Solve for x
    x = 11,858,348,192,077,036/108,773,721.04
  6. Step 6: Final answer
    x = 109,018,502.62

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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.