Home / 179,201,428.80-268,613,186.40-69,984,398.40

Finding the Fourth Proportional to 179,201,428.80, 268,613,186.40 and 69,984,398.40

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Solution

The fourth proportional to 179,201,428.80, 268,613,186.40 and 69,984,398.40 is: 104,902,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,201,428.80 : 268,613,186.40 = 69,984,398.40 : x
  2. Step 2: Convert to fraction form
    179,201,428.80/268,613,186.40 = 69,984,398.40/x
  3. Step 3: Cross multiply
    179,201,428.80x = 268,613,186.40 × 69,984,398.40
  4. Step 4: Simplify right side
    179,201,428.80x = 18,798,732,252,511,060
  5. Step 5: Solve for x
    x = 18,798,732,252,511,060/179,201,428.80
  6. Step 6: Final answer
    x = 104,902,803.39

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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.