Home / 178,421,051.03-267,686,377.52-85,167,019.27

Finding the Fourth Proportional to 178,421,051.03, 267,686,377.52 and 85,167,019.27

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Solution

The fourth proportional to 178,421,051.03, 267,686,377.52 and 85,167,019.27 is: 127,776,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,421,051.03 : 267,686,377.52 = 85,167,019.27 : x
  2. Step 2: Convert to fraction form
    178,421,051.03/267,686,377.52 = 85,167,019.27/x
  3. Step 3: Cross multiply
    178,421,051.03x = 267,686,377.52 × 85,167,019.27
  4. Step 4: Simplify right side
    178,421,051.03x = 22,798,050,870,798,068
  5. Step 5: Solve for x
    x = 22,798,050,870,798,068/178,421,051.03
  6. Step 6: Final answer
    x = 127,776,687.44

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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.