Home / 72,293,218.60-108,439,136.70-17,706,044.20

Finding the Fourth Proportional to 72,293,218.60, 108,439,136.70 and 17,706,044.20

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Solution

The fourth proportional to 72,293,218.60, 108,439,136.70 and 17,706,044.20 is: 26,558,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293,218.60 : 108,439,136.70 = 17,706,044.20 : x
  2. Step 2: Convert to fraction form
    72,293,218.60/108,439,136.70 = 17,706,044.20/x
  3. Step 3: Cross multiply
    72,293,218.60x = 108,439,136.70 × 17,706,044.20
  4. Step 4: Simplify right side
    72,293,218.60x = 1,920,028,147,420,042
  5. Step 5: Solve for x
    x = 1,920,028,147,420,042/72,293,218.60
  6. Step 6: Final answer
    x = 26,558,897.01

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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.