Home / 87,934,787.04-121,347,664.64-50,763,812.80

Finding the Fourth Proportional to 87,934,787.04, 121,347,664.64 and 50,763,812.80

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Solution

The fourth proportional to 87,934,787.04, 121,347,664.64 and 50,763,812.80 is: 70,052,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934,787.04 : 121,347,664.64 = 50,763,812.80 : x
  2. Step 2: Convert to fraction form
    87,934,787.04/121,347,664.64 = 50,763,812.80/x
  3. Step 3: Cross multiply
    87,934,787.04x = 121,347,664.64 × 50,763,812.80
  4. Step 4: Simplify right side
    87,934,787.04x = 6,160,070,131,502,139
  5. Step 5: Solve for x
    x = 6,160,070,131,502,139/87,934,787.04
  6. Step 6: Final answer
    x = 70,052,709.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.