Home / 247,434,487.04-371,304,997.40-143,852,442.77

Finding the Fourth Proportional to 247,434,487.04, 371,304,997.40 and 143,852,442.77

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Solution

The fourth proportional to 247,434,487.04, 371,304,997.40 and 143,852,442.77 is: 215,867,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,434,487.04 : 371,304,997.40 = 143,852,442.77 : x
  2. Step 2: Convert to fraction form
    247,434,487.04/371,304,997.40 = 143,852,442.77/x
  3. Step 3: Cross multiply
    247,434,487.04x = 371,304,997.40 × 143,852,442.77
  4. Step 4: Simplify right side
    247,434,487.04x = 53,413,130,887,979,240
  5. Step 5: Solve for x
    x = 53,413,130,887,979,240/247,434,487.04
  6. Step 6: Final answer
    x = 215,867,769.80

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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.