Home / 157,308,334.64-217,098,430.50-86,757,746.72

Finding the Fourth Proportional to 157,308,334.64, 217,098,430.50 and 86,757,746.72

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Solution

The fourth proportional to 157,308,334.64, 217,098,430.50 and 86,757,746.72 is: 119,732,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,308,334.64 : 217,098,430.50 = 86,757,746.72 : x
  2. Step 2: Convert to fraction form
    157,308,334.64/217,098,430.50 = 86,757,746.72/x
  3. Step 3: Cross multiply
    157,308,334.64x = 217,098,430.50 × 86,757,746.72
  4. Step 4: Simplify right side
    157,308,334.64x = 18,834,970,645,543,032
  5. Step 5: Solve for x
    x = 18,834,970,645,543,032/157,308,334.64
  6. Step 6: Final answer
    x = 119,732,820.83

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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.