Home / 90,760,510.60-136,123,051.20-30,176,236.60

Finding the Fourth Proportional to 90,760,510.60, 136,123,051.20 and 30,176,236.60

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Solution

The fourth proportional to 90,760,510.60, 136,123,051.20 and 30,176,236.60 is: 45,258,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760,510.60 : 136,123,051.20 = 30,176,236.60 : x
  2. Step 2: Convert to fraction form
    90,760,510.60/136,123,051.20 = 30,176,236.60/x
  3. Step 3: Cross multiply
    90,760,510.60x = 136,123,051.20 × 30,176,236.60
  4. Step 4: Simplify right side
    90,760,510.60x = 4,107,681,399,725,114
  5. Step 5: Solve for x
    x = 4,107,681,399,725,114/90,760,510.60
  6. Step 6: Final answer
    x = 45,258,465.08

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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.