Home / 78,525,114.31-108,361,162.18-45,010,566.66

Finding the Fourth Proportional to 78,525,114.31, 108,361,162.18 and 45,010,566.66

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Solution

The fourth proportional to 78,525,114.31, 108,361,162.18 and 45,010,566.66 is: 62,112,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,525,114.31 : 108,361,162.18 = 45,010,566.66 : x
  2. Step 2: Convert to fraction form
    78,525,114.31/108,361,162.18 = 45,010,566.66/x
  3. Step 3: Cross multiply
    78,525,114.31x = 108,361,162.18 × 45,010,566.66
  4. Step 4: Simplify right side
    78,525,114.31x = 4,877,397,313,257,637
  5. Step 5: Solve for x
    x = 4,877,397,313,257,637/78,525,114.31
  6. Step 6: Final answer
    x = 62,112,578.33

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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.