Home / 129,239,570.80-193,859,356.20-124,137,737.20

Finding the Fourth Proportional to 129,239,570.80, 193,859,356.20 and 124,137,737.20

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Solution

The fourth proportional to 129,239,570.80, 193,859,356.20 and 124,137,737.20 is: 186,206,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,239,570.80 : 193,859,356.20 = 124,137,737.20 : x
  2. Step 2: Convert to fraction form
    129,239,570.80/193,859,356.20 = 124,137,737.20/x
  3. Step 3: Cross multiply
    129,239,570.80x = 193,859,356.20 × 124,137,737.20
  4. Step 4: Simplify right side
    129,239,570.80x = 24,065,261,813,716,788
  5. Step 5: Solve for x
    x = 24,065,261,813,716,788/129,239,570.80
  6. Step 6: Final answer
    x = 186,206,605.80

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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.