Home / 157,522,579.71-217,375,461.45-86,956,674.36

Finding the Fourth Proportional to 157,522,579.71, 217,375,461.45 and 86,956,674.36

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Solution

The fourth proportional to 157,522,579.71, 217,375,461.45 and 86,956,674.36 is: 119,997,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522,579.71 : 217,375,461.45 = 86,956,674.36 : x
  2. Step 2: Convert to fraction form
    157,522,579.71/217,375,461.45 = 86,956,674.36/x
  3. Step 3: Cross multiply
    157,522,579.71x = 217,375,461.45 × 86,956,674.36
  4. Step 4: Simplify right side
    157,522,579.71x = 18,902,247,215,935,788
  5. Step 5: Solve for x
    x = 18,902,247,215,935,788/157,522,579.71
  6. Step 6: Final answer
    x = 119,997,064.87

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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.