Home / 55,518,364.13-76,478,446.82-47,231,886.74

Finding the Fourth Proportional to 55,518,364.13, 76,478,446.82 and 47,231,886.74

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Solution

The fourth proportional to 55,518,364.13, 76,478,446.82 and 47,231,886.74 is: 65,063,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518,364.13 : 76,478,446.82 = 47,231,886.74 : x
  2. Step 2: Convert to fraction form
    55,518,364.13/76,478,446.82 = 47,231,886.74/x
  3. Step 3: Cross multiply
    55,518,364.13x = 76,478,446.82 × 47,231,886.74
  4. Step 4: Simplify right side
    55,518,364.13x = 3,612,221,337,989,041
  5. Step 5: Solve for x
    x = 3,612,221,337,989,041/55,518,364.13
  6. Step 6: Final answer
    x = 65,063,540.59

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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.