Home / 252,306,115.57-378,457,585.25-135,776,362.45

Finding the Fourth Proportional to 252,306,115.57, 378,457,585.25 and 135,776,362.45

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Solution

The fourth proportional to 252,306,115.57, 378,457,585.25 and 135,776,362.45 is: 203,663,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,306,115.57 : 378,457,585.25 = 135,776,362.45 : x
  2. Step 2: Convert to fraction form
    252,306,115.57/378,457,585.25 = 135,776,362.45/x
  3. Step 3: Cross multiply
    252,306,115.57x = 378,457,585.25 × 135,776,362.45
  4. Step 4: Simplify right side
    252,306,115.57x = 51,385,594,266,249,064
  5. Step 5: Solve for x
    x = 51,385,594,266,249,064/252,306,115.57
  6. Step 6: Final answer
    x = 203,663,689.05

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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.