Home / 78,894,233.80-118,341,350.70-46,561,625.80

Finding the Fourth Proportional to 78,894,233.80, 118,341,350.70 and 46,561,625.80

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Solution

The fourth proportional to 78,894,233.80, 118,341,350.70 and 46,561,625.80 is: 69,842,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,233.80 : 118,341,350.70 = 46,561,625.80 : x
  2. Step 2: Convert to fraction form
    78,894,233.80/118,341,350.70 = 46,561,625.80/x
  3. Step 3: Cross multiply
    78,894,233.80x = 118,341,350.70 × 46,561,625.80
  4. Step 4: Simplify right side
    78,894,233.80x = 5,510,165,687,959,968
  5. Step 5: Solve for x
    x = 5,510,165,687,959,968/78,894,233.80
  6. Step 6: Final answer
    x = 69,842,438.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.