Home / 157,780,892.48-217,733,454.88-88,166,845.40

Finding the Fourth Proportional to 157,780,892.48, 217,733,454.88 and 88,166,845.40

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Solution

The fourth proportional to 157,780,892.48, 217,733,454.88 and 88,166,845.40 is: 121,667,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,780,892.48 : 217,733,454.88 = 88,166,845.40 : x
  2. Step 2: Convert to fraction form
    157,780,892.48/217,733,454.88 = 88,166,845.40/x
  3. Step 3: Cross multiply
    157,780,892.48x = 217,733,454.88 × 88,166,845.40
  4. Step 4: Simplify right side
    157,780,892.48x = 19,196,871,853,833,496
  5. Step 5: Solve for x
    x = 19,196,871,853,833,496/157,780,892.48
  6. Step 6: Final answer
    x = 121,667,912.72

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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.