Home / 250,254,830.50-375,119,473.80-84,200,689.78

Finding the Fourth Proportional to 250,254,830.50, 375,119,473.80 and 84,200,689.78

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Solution

The fourth proportional to 250,254,830.50, 375,119,473.80 and 84,200,689.78 is: 126,212,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,254,830.50 : 375,119,473.80 = 84,200,689.78 : x
  2. Step 2: Convert to fraction form
    250,254,830.50/375,119,473.80 = 84,200,689.78/x
  3. Step 3: Cross multiply
    250,254,830.50x = 375,119,473.80 × 84,200,689.78
  4. Step 4: Simplify right side
    250,254,830.50x = 31,585,318,443,870,640
  5. Step 5: Solve for x
    x = 31,585,318,443,870,640/250,254,830.50
  6. Step 6: Final answer
    x = 126,212,622.47

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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.