Home / 78,525,117.14-108,361,166.04-45,010,569.49

Finding the Fourth Proportional to 78,525,117.14, 108,361,166.04 and 45,010,569.49

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Solution

The fourth proportional to 78,525,117.14, 108,361,166.04 and 45,010,569.49 is: 62,112,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,525,117.14 : 108,361,166.04 = 45,010,569.49 : x
  2. Step 2: Convert to fraction form
    78,525,117.14/108,361,166.04 = 45,010,569.49/x
  3. Step 3: Cross multiply
    78,525,117.14x = 108,361,166.04 × 45,010,569.49
  4. Step 4: Simplify right side
    78,525,117.14x = 4,877,397,793,789,945
  5. Step 5: Solve for x
    x = 4,877,397,793,789,945/78,525,117.14
  6. Step 6: Final answer
    x = 62,112,582.21

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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.