Home / 115,036,960.59-158,754,923.12-68,034,325.65

Finding the Fourth Proportional to 115,036,960.59, 158,754,923.12 and 68,034,325.65

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Solution

The fourth proportional to 115,036,960.59, 158,754,923.12 and 68,034,325.65 is: 93,889,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,036,960.59 : 158,754,923.12 = 68,034,325.65 : x
  2. Step 2: Convert to fraction form
    115,036,960.59/158,754,923.12 = 68,034,325.65/x
  3. Step 3: Cross multiply
    115,036,960.59x = 158,754,923.12 × 68,034,325.65
  4. Step 4: Simplify right side
    115,036,960.59x = 10,800,784,137,661,548
  5. Step 5: Solve for x
    x = 10,800,784,137,661,548/115,036,960.59
  6. Step 6: Final answer
    x = 93,889,686.26

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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.