Home / 90,722,758.60-136,101,852.60-36,126,053.20

Finding the Fourth Proportional to 90,722,758.60, 136,101,852.60 and 36,126,053.20

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Solution

The fourth proportional to 90,722,758.60, 136,101,852.60 and 36,126,053.20 is: 54,196,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722,758.60 : 136,101,852.60 = 36,126,053.20 : x
  2. Step 2: Convert to fraction form
    90,722,758.60/136,101,852.60 = 36,126,053.20/x
  3. Step 3: Cross multiply
    90,722,758.60x = 136,101,852.60 × 36,126,053.20
  4. Step 4: Simplify right side
    90,722,758.60x = 4,916,822,767,646,159
  5. Step 5: Solve for x
    x = 4,916,822,767,646,159/90,722,758.60
  6. Step 6: Final answer
    x = 54,196,133.84

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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.