Home / 114,192,031.68-157,585,161.60-61,981,077.60

Finding the Fourth Proportional to 114,192,031.68, 157,585,161.60 and 61,981,077.60

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Solution

The fourth proportional to 114,192,031.68, 157,585,161.60 and 61,981,077.60 is: 85,533,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,192,031.68 : 157,585,161.60 = 61,981,077.60 : x
  2. Step 2: Convert to fraction form
    114,192,031.68/157,585,161.60 = 61,981,077.60/x
  3. Step 3: Cross multiply
    114,192,031.68x = 157,585,161.60 × 61,981,077.60
  4. Step 4: Simplify right side
    114,192,031.68x = 9,767,298,129,738,140
  5. Step 5: Solve for x
    x = 9,767,298,129,738,140/114,192,031.68
  6. Step 6: Final answer
    x = 85,533,972.78

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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.