Home / 107,404,689.60-161,107,034.40-90,608,529.60

Finding the Fourth Proportional to 107,404,689.60, 161,107,034.40 and 90,608,529.60

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Solution

The fourth proportional to 107,404,689.60, 161,107,034.40 and 90,608,529.60 is: 135,912,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,404,689.60 : 161,107,034.40 = 90,608,529.60 : x
  2. Step 2: Convert to fraction form
    107,404,689.60/161,107,034.40 = 90,608,529.60/x
  3. Step 3: Cross multiply
    107,404,689.60x = 161,107,034.40 × 90,608,529.60
  4. Step 4: Simplify right side
    107,404,689.60x = 14,597,671,495,200,618
  5. Step 5: Solve for x
    x = 14,597,671,495,200,618/107,404,689.60
  6. Step 6: Final answer
    x = 135,912,794.40

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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.