Home / 181,916,287.20-272,874,430.80-138,869,566.20

Finding the Fourth Proportional to 181,916,287.20, 272,874,430.80 and 138,869,566.20

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Solution

The fourth proportional to 181,916,287.20, 272,874,430.80 and 138,869,566.20 is: 208,304,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916,287.20 : 272,874,430.80 = 138,869,566.20 : x
  2. Step 2: Convert to fraction form
    181,916,287.20/272,874,430.80 = 138,869,566.20/x
  3. Step 3: Cross multiply
    181,916,287.20x = 272,874,430.80 × 138,869,566.20
  4. Step 4: Simplify right side
    181,916,287.20x = 37,893,953,832,267,920
  5. Step 5: Solve for x
    x = 37,893,953,832,267,920/181,916,287.20
  6. Step 6: Final answer
    x = 208,304,349.30

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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.