Home / 64,654,346.40-96,981,519.60-53,175,220.80

Finding the Fourth Proportional to 64,654,346.40, 96,981,519.60 and 53,175,220.80

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Solution

The fourth proportional to 64,654,346.40, 96,981,519.60 and 53,175,220.80 is: 79,762,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,654,346.40 : 96,981,519.60 = 53,175,220.80 : x
  2. Step 2: Convert to fraction form
    64,654,346.40/96,981,519.60 = 53,175,220.80/x
  3. Step 3: Cross multiply
    64,654,346.40x = 96,981,519.60 × 53,175,220.80
  4. Step 4: Simplify right side
    64,654,346.40x = 5,157,013,718,249,527
  5. Step 5: Solve for x
    x = 5,157,013,718,249,527/64,654,346.40
  6. Step 6: Final answer
    x = 79,762,831.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.