Home / 251,614,133.57-347,224,193.45-138,581,454.87

Finding the Fourth Proportional to 251,614,133.57, 347,224,193.45 and 138,581,454.87

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Solution

The fourth proportional to 251,614,133.57, 347,224,193.45 and 138,581,454.87 is: 191,240,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,614,133.57 : 347,224,193.45 = 138,581,454.87 : x
  2. Step 2: Convert to fraction form
    251,614,133.57/347,224,193.45 = 138,581,454.87/x
  3. Step 3: Cross multiply
    251,614,133.57x = 347,224,193.45 × 138,581,454.87
  4. Step 4: Simplify right side
    251,614,133.57x = 48,118,833,893,670,416
  5. Step 5: Solve for x
    x = 48,118,833,893,670,416/251,614,133.57
  6. Step 6: Final answer
    x = 191,240,584.19

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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.