Home / 181,703,381.60-272,555,072.40-72,545,400.20

Finding the Fourth Proportional to 181,703,381.60, 272,555,072.40 and 72,545,400.20

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Solution

The fourth proportional to 181,703,381.60, 272,555,072.40 and 72,545,400.20 is: 108,818,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,703,381.60 : 272,555,072.40 = 72,545,400.20 : x
  2. Step 2: Convert to fraction form
    181,703,381.60/272,555,072.40 = 72,545,400.20/x
  3. Step 3: Cross multiply
    181,703,381.60x = 272,555,072.40 × 72,545,400.20
  4. Step 4: Simplify right side
    181,703,381.60x = 19,772,616,803,797,972
  5. Step 5: Solve for x
    x = 19,772,616,803,797,972/181,703,381.60
  6. Step 6: Final answer
    x = 108,818,100.30

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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.