Home / 40,650,167.79-56,019,705.71-39,903,001.11

Finding the Fourth Proportional to 40,650,167.79, 56,019,705.71 and 39,903,001.11

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Solution

The fourth proportional to 40,650,167.79, 56,019,705.71 and 39,903,001.11 is: 54,990,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,650,167.79 : 56,019,705.71 = 39,903,001.11 : x
  2. Step 2: Convert to fraction form
    40,650,167.79/56,019,705.71 = 39,903,001.11/x
  3. Step 3: Cross multiply
    40,650,167.79x = 56,019,705.71 × 39,903,001.11
  4. Step 4: Simplify right side
    40,650,167.79x = 2,235,354,378,928,488.25
  5. Step 5: Solve for x
    x = 2,235,354,378,928,488.25/40,650,167.79
  6. Step 6: Final answer
    x = 54,990,040.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.