Home / 157,308,348.22-217,098,445.26-86,757,757.36

Finding the Fourth Proportional to 157,308,348.22, 217,098,445.26 and 86,757,757.36

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Solution

The fourth proportional to 157,308,348.22, 217,098,445.26 and 86,757,757.36 is: 119,732,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,308,348.22 : 217,098,445.26 = 86,757,757.36 : x
  2. Step 2: Convert to fraction form
    157,308,348.22/217,098,445.26 = 86,757,757.36/x
  3. Step 3: Cross multiply
    157,308,348.22x = 217,098,445.26 × 86,757,757.36
  4. Step 4: Simplify right side
    157,308,348.22x = 18,834,974,237,100,320
  5. Step 5: Solve for x
    x = 18,834,974,237,100,320/157,308,348.22
  6. Step 6: Final answer
    x = 119,732,833.32

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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.