Home / 45,313,470.60-67,970,205.90-40,778,507.40

Finding the Fourth Proportional to 45,313,470.60, 67,970,205.90 and 40,778,507.40

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Solution

The fourth proportional to 45,313,470.60, 67,970,205.90 and 40,778,507.40 is: 61,167,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,313,470.60 : 67,970,205.90 = 40,778,507.40 : x
  2. Step 2: Convert to fraction form
    45,313,470.60/67,970,205.90 = 40,778,507.40/x
  3. Step 3: Cross multiply
    45,313,470.60x = 67,970,205.90 × 40,778,507.40
  4. Step 4: Simplify right side
    45,313,470.60x = 2,771,723,544,272,674
  5. Step 5: Solve for x
    x = 2,771,723,544,272,674/45,313,470.60
  6. Step 6: Final answer
    x = 61,167,761.10

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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.