Home / 124,468,313.70-186,702,470.55-67,072,685.70

Finding the Fourth Proportional to 124,468,313.70, 186,702,470.55 and 67,072,685.70

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Solution

The fourth proportional to 124,468,313.70, 186,702,470.55 and 67,072,685.70 is: 100,609,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468,313.70 : 186,702,470.55 = 67,072,685.70 : x
  2. Step 2: Convert to fraction form
    124,468,313.70/186,702,470.55 = 67,072,685.70/x
  3. Step 3: Cross multiply
    124,468,313.70x = 186,702,470.55 × 67,072,685.70
  4. Step 4: Simplify right side
    124,468,313.70x = 12,522,636,126,613,658
  5. Step 5: Solve for x
    x = 12,522,636,126,613,658/124,468,313.70
  6. Step 6: Final answer
    x = 100,609,028.55

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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.