Home / 136,123,853.70-204,185,780.55-112,209,008.70

Finding the Fourth Proportional to 136,123,853.70, 204,185,780.55 and 112,209,008.70

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Solution

The fourth proportional to 136,123,853.70, 204,185,780.55 and 112,209,008.70 is: 168,313,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,123,853.70 : 204,185,780.55 = 112,209,008.70 : x
  2. Step 2: Convert to fraction form
    136,123,853.70/204,185,780.55 = 112,209,008.70/x
  3. Step 3: Cross multiply
    136,123,853.70x = 204,185,780.55 × 112,209,008.70
  4. Step 4: Simplify right side
    136,123,853.70x = 22,911,484,026,151,244
  5. Step 5: Solve for x
    x = 22,911,484,026,151,244/136,123,853.70
  6. Step 6: Final answer
    x = 168,313,513.05

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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.