Home / 113,083,810.80-169,625,716.20-77,252,002.80

Finding the Fourth Proportional to 113,083,810.80, 169,625,716.20 and 77,252,002.80

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Solution

The fourth proportional to 113,083,810.80, 169,625,716.20 and 77,252,002.80 is: 115,878,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,083,810.80 : 169,625,716.20 = 77,252,002.80 : x
  2. Step 2: Convert to fraction form
    113,083,810.80/169,625,716.20 = 77,252,002.80/x
  3. Step 3: Cross multiply
    113,083,810.80x = 169,625,716.20 × 77,252,002.80
  4. Step 4: Simplify right side
    113,083,810.80x = 13,103,926,302,834,404
  5. Step 5: Solve for x
    x = 13,103,926,302,834,404/113,083,810.80
  6. Step 6: Final answer
    x = 115,878,004.20

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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.