Home / 42,732,034.30-64,098,051.45-20,057,218.30

Finding the Fourth Proportional to 42,732,034.30, 64,098,051.45 and 20,057,218.30

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Solution

The fourth proportional to 42,732,034.30, 64,098,051.45 and 20,057,218.30 is: 30,085,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,732,034.30 : 64,098,051.45 = 20,057,218.30 : x
  2. Step 2: Convert to fraction form
    42,732,034.30/64,098,051.45 = 20,057,218.30/x
  3. Step 3: Cross multiply
    42,732,034.30x = 64,098,051.45 × 20,057,218.30
  4. Step 4: Simplify right side
    42,732,034.30x = 1,285,628,610,537,281.75
  5. Step 5: Solve for x
    x = 1,285,628,610,537,281.75/42,732,034.30
  6. Step 6: Final answer
    x = 30,085,827.45

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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.