Home / 136,123,852.20-204,185,778.30-112,209,007.20

Finding the Fourth Proportional to 136,123,852.20, 204,185,778.30 and 112,209,007.20

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Solution

The fourth proportional to 136,123,852.20, 204,185,778.30 and 112,209,007.20 is: 168,313,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,123,852.20 : 204,185,778.30 = 112,209,007.20 : x
  2. Step 2: Convert to fraction form
    136,123,852.20/204,185,778.30 = 112,209,007.20/x
  3. Step 3: Cross multiply
    136,123,852.20x = 204,185,778.30 × 112,209,007.20
  4. Step 4: Simplify right side
    136,123,852.20x = 22,911,483,467,402,304
  5. Step 5: Solve for x
    x = 22,911,483,467,402,304/136,123,852.20
  6. Step 6: Final answer
    x = 168,313,510.80

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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.