Home / 147,906,007.80-221,859,011.70-79,881,559.80

Finding the Fourth Proportional to 147,906,007.80, 221,859,011.70 and 79,881,559.80

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Solution

The fourth proportional to 147,906,007.80, 221,859,011.70 and 79,881,559.80 is: 119,822,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,906,007.80 : 221,859,011.70 = 79,881,559.80 : x
  2. Step 2: Convert to fraction form
    147,906,007.80/221,859,011.70 = 79,881,559.80/x
  3. Step 3: Cross multiply
    147,906,007.80x = 221,859,011.70 × 79,881,559.80
  4. Step 4: Simplify right side
    147,906,007.80x = 17,722,443,910,282,448
  5. Step 5: Solve for x
    x = 17,722,443,910,282,448/147,906,007.80
  6. Step 6: Final answer
    x = 119,822,339.70

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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.