Home / 78,222,045.18-107,959,781.61-45,176,354.94

Finding the Fourth Proportional to 78,222,045.18, 107,959,781.61 and 45,176,354.94

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Solution

The fourth proportional to 78,222,045.18, 107,959,781.61 and 45,176,354.94 is: 62,351,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,222,045.18 : 107,959,781.61 = 45,176,354.94 : x
  2. Step 2: Convert to fraction form
    78,222,045.18/107,959,781.61 = 45,176,354.94/x
  3. Step 3: Cross multiply
    78,222,045.18x = 107,959,781.61 × 45,176,354.94
  4. Step 4: Simplify right side
    78,222,045.18x = 4,877,229,413,258,244
  5. Step 5: Solve for x
    x = 4,877,229,413,258,244/78,222,045.18
  6. Step 6: Final answer
    x = 62,351,085.32

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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.