Home / 230,148,207.38-345,358,512.90-84,683,920.65

Finding the Fourth Proportional to 230,148,207.38, 345,358,512.90 and 84,683,920.65

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Solution

The fourth proportional to 230,148,207.38, 345,358,512.90 and 84,683,920.65 is: 127,075,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,148,207.38 : 345,358,512.90 = 84,683,920.65 : x
  2. Step 2: Convert to fraction form
    230,148,207.38/345,358,512.90 = 84,683,920.65/x
  3. Step 3: Cross multiply
    230,148,207.38x = 345,358,512.90 × 84,683,920.65
  4. Step 4: Simplify right side
    230,148,207.38x = 29,246,312,902,225,600
  5. Step 5: Solve for x
    x = 29,246,312,902,225,600/230,148,207.38
  6. Step 6: Final answer
    x = 127,075,996.97

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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.