Home / 157,403,491.44-217,217,108.04-87,793,359.12

Finding the Fourth Proportional to 157,403,491.44, 217,217,108.04 and 87,793,359.12

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Solution

The fourth proportional to 157,403,491.44, 217,217,108.04 and 87,793,359.12 is: 121,154,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,403,491.44 : 217,217,108.04 = 87,793,359.12 : x
  2. Step 2: Convert to fraction form
    157,403,491.44/217,217,108.04 = 87,793,359.12/x
  3. Step 3: Cross multiply
    157,403,491.44x = 217,217,108.04 × 87,793,359.12
  4. Step 4: Simplify right side
    157,403,491.44x = 19,070,219,573,163,560
  5. Step 5: Solve for x
    x = 19,070,219,573,163,560/157,403,491.44
  6. Step 6: Final answer
    x = 121,154,997.25

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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.