Home / 215,535,220.80-323,302,831.20-147,510,772.80

Finding the Fourth Proportional to 215,535,220.80, 323,302,831.20 and 147,510,772.80

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Solution

The fourth proportional to 215,535,220.80, 323,302,831.20 and 147,510,772.80 is: 221,266,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535,220.80 : 323,302,831.20 = 147,510,772.80 : x
  2. Step 2: Convert to fraction form
    215,535,220.80/323,302,831.20 = 147,510,772.80/x
  3. Step 3: Cross multiply
    215,535,220.80x = 323,302,831.20 × 147,510,772.80
  4. Step 4: Simplify right side
    215,535,220.80x = 47,690,650,478,739,952
  5. Step 5: Solve for x
    x = 47,690,650,478,739,952/215,535,220.80
  6. Step 6: Final answer
    x = 221,266,159.20

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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.