Home / 77,720,278.60-116,487,105.90-32,258,672.20

Finding the Fourth Proportional to 77,720,278.60, 116,487,105.90 and 32,258,672.20

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Solution

The fourth proportional to 77,720,278.60, 116,487,105.90 and 32,258,672.20 is: 48,349,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,720,278.60 : 116,487,105.90 = 32,258,672.20 : x
  2. Step 2: Convert to fraction form
    77,720,278.60/116,487,105.90 = 32,258,672.20/x
  3. Step 3: Cross multiply
    77,720,278.60x = 116,487,105.90 × 32,258,672.20
  4. Step 4: Simplify right side
    77,720,278.60x = 3,757,719,364,754,786
  5. Step 5: Solve for x
    x = 3,757,719,364,754,786/77,720,278.60
  6. Step 6: Final answer
    x = 48,349,278.11

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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.