Home / 145,025,943.05-217,393,460.17-67,357,391.85

Finding the Fourth Proportional to 145,025,943.05, 217,393,460.17 and 67,357,391.85

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Solution

The fourth proportional to 145,025,943.05, 217,393,460.17 and 67,357,391.85 is: 100,968,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,025,943.05 : 217,393,460.17 = 67,357,391.85 : x
  2. Step 2: Convert to fraction form
    145,025,943.05/217,393,460.17 = 67,357,391.85/x
  3. Step 3: Cross multiply
    145,025,943.05x = 217,393,460.17 × 67,357,391.85
  4. Step 4: Simplify right side
    145,025,943.05x = 14,643,056,482,298,056
  5. Step 5: Solve for x
    x = 14,643,056,482,298,056/145,025,943.05
  6. Step 6: Final answer
    x = 100,968,531.38

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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.