Home / 157,808,683.35-217,782,710.24-88,194,062.79

Finding the Fourth Proportional to 157,808,683.35, 217,782,710.24 and 88,194,062.79

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Solution

The fourth proportional to 157,808,683.35, 217,782,710.24 and 88,194,062.79 is: 121,711,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,808,683.35 : 217,782,710.24 = 88,194,062.79 : x
  2. Step 2: Convert to fraction form
    157,808,683.35/217,782,710.24 = 88,194,062.79/x
  3. Step 3: Cross multiply
    157,808,683.35x = 217,782,710.24 × 88,194,062.79
  4. Step 4: Simplify right side
    157,808,683.35x = 19,207,142,021,041,968
  5. Step 5: Solve for x
    x = 19,207,142,021,041,968/157,808,683.35
  6. Step 6: Final answer
    x = 121,711,566.27

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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.