Home / 83,044,597.80-124,566,896.70-78,261,628.80

Finding the Fourth Proportional to 83,044,597.80, 124,566,896.70 and 78,261,628.80

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Solution

The fourth proportional to 83,044,597.80, 124,566,896.70 and 78,261,628.80 is: 117,392,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,044,597.80 : 124,566,896.70 = 78,261,628.80 : x
  2. Step 2: Convert to fraction form
    83,044,597.80/124,566,896.70 = 78,261,628.80/x
  3. Step 3: Cross multiply
    83,044,597.80x = 124,566,896.70 × 78,261,628.80
  4. Step 4: Simplify right side
    83,044,597.80x = 9,748,808,230,303,344
  5. Step 5: Solve for x
    x = 9,748,808,230,303,344/83,044,597.80
  6. Step 6: Final answer
    x = 117,392,443.20

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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.