Home / 107,703,251.60-161,554,877.40-90,697,139.60

Finding the Fourth Proportional to 107,703,251.60, 161,554,877.40 and 90,697,139.60

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Solution

The fourth proportional to 107,703,251.60, 161,554,877.40 and 90,697,139.60 is: 136,045,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,703,251.60 : 161,554,877.40 = 90,697,139.60 : x
  2. Step 2: Convert to fraction form
    107,703,251.60/161,554,877.40 = 90,697,139.60/x
  3. Step 3: Cross multiply
    107,703,251.60x = 161,554,877.40 × 90,697,139.60
  4. Step 4: Simplify right side
    107,703,251.60x = 14,652,565,268,608,684
  5. Step 5: Solve for x
    x = 14,652,565,268,608,684/107,703,251.60
  6. Step 6: Final answer
    x = 136,045,709.40

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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.