Home / 124,437,845.20-186,656,767.80-86,174,093.20

Finding the Fourth Proportional to 124,437,845.20, 186,656,767.80 and 86,174,093.20

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Solution

The fourth proportional to 124,437,845.20, 186,656,767.80 and 86,174,093.20 is: 129,261,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437,845.20 : 186,656,767.80 = 86,174,093.20 : x
  2. Step 2: Convert to fraction form
    124,437,845.20/186,656,767.80 = 86,174,093.20/x
  3. Step 3: Cross multiply
    124,437,845.20x = 186,656,767.80 × 86,174,093.20
  4. Step 4: Simplify right side
    124,437,845.20x = 16,084,977,704,807,960
  5. Step 5: Solve for x
    x = 16,084,977,704,807,960/124,437,845.20
  6. Step 6: Final answer
    x = 129,261,139.80

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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.