Home / 103,389,976.84-142,699,340.16-61,598,524

Finding the Fourth Proportional to 103,389,976.84, 142,699,340.16 and 61,598,524

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Solution

The fourth proportional to 103,389,976.84, 142,699,340.16 and 61,598,524 is: 85,018,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,389,976.84 : 142,699,340.16 = 61,598,524 : x
  2. Step 2: Convert to fraction form
    103,389,976.84/142,699,340.16 = 61,598,524/x
  3. Step 3: Cross multiply
    103,389,976.84x = 142,699,340.16 × 61,598,524
  4. Step 4: Simplify right side
    103,389,976.84x = 8,790,068,729,629,924
  5. Step 5: Solve for x
    x = 8,790,068,729,629,924/103,389,976.84
  6. Step 6: Final answer
    x = 85,018,577.22

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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.