Home / 121,423,216.86-182,147,583.88-39,548,470.70

Finding the Fourth Proportional to 121,423,216.86, 182,147,583.88 and 39,548,470.70

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Solution

The fourth proportional to 121,423,216.86, 182,147,583.88 and 39,548,470.70 is: 59,326,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,423,216.86 : 182,147,583.88 = 39,548,470.70 : x
  2. Step 2: Convert to fraction form
    121,423,216.86/182,147,583.88 = 39,548,470.70/x
  3. Step 3: Cross multiply
    121,423,216.86x = 182,147,583.88 × 39,548,470.70
  4. Step 4: Simplify right side
    121,423,216.86x = 7,203,658,384,153,973
  5. Step 5: Solve for x
    x = 7,203,658,384,153,973/121,423,216.86
  6. Step 6: Final answer
    x = 59,326,861.62

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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.