Home / 108,864,145.80-163,296,218.70-92,424,904.20

Finding the Fourth Proportional to 108,864,145.80, 163,296,218.70 and 92,424,904.20

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Solution

The fourth proportional to 108,864,145.80, 163,296,218.70 and 92,424,904.20 is: 138,637,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864,145.80 : 163,296,218.70 = 92,424,904.20 : x
  2. Step 2: Convert to fraction form
    108,864,145.80/163,296,218.70 = 92,424,904.20/x
  3. Step 3: Cross multiply
    108,864,145.80x = 163,296,218.70 × 92,424,904.20
  4. Step 4: Simplify right side
    108,864,145.80x = 15,092,637,369,569,748
  5. Step 5: Solve for x
    x = 15,092,637,369,569,748/108,864,145.80
  6. Step 6: Final answer
    x = 138,637,356.30

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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.