Home / 77,995,458.65-107,632,417.53-43,187,401.75

Finding the Fourth Proportional to 77,995,458.65, 107,632,417.53 and 43,187,401.75

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Solution

The fourth proportional to 77,995,458.65, 107,632,417.53 and 43,187,401.75 is: 59,597,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995,458.65 : 107,632,417.53 = 43,187,401.75 : x
  2. Step 2: Convert to fraction form
    77,995,458.65/107,632,417.53 = 43,187,401.75/x
  3. Step 3: Cross multiply
    77,995,458.65x = 107,632,417.53 × 43,187,401.75
  4. Step 4: Simplify right side
    77,995,458.65x = 4,648,364,457,043,497
  5. Step 5: Solve for x
    x = 4,648,364,457,043,497/77,995,458.65
  6. Step 6: Final answer
    x = 59,597,886.05

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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.