Home / 155,052,553.16-213,977,087.52-85,442,418.04

Finding the Fourth Proportional to 155,052,553.16, 213,977,087.52 and 85,442,418.04

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Solution

The fourth proportional to 155,052,553.16, 213,977,087.52 and 85,442,418.04 is: 117,913,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,052,553.16 : 213,977,087.52 = 85,442,418.04 : x
  2. Step 2: Convert to fraction form
    155,052,553.16/213,977,087.52 = 85,442,418.04/x
  3. Step 3: Cross multiply
    155,052,553.16x = 213,977,087.52 × 85,442,418.04
  4. Step 4: Simplify right side
    155,052,553.16x = 18,282,719,762,865,508
  5. Step 5: Solve for x
    x = 18,282,719,762,865,508/155,052,553.16
  6. Step 6: Final answer
    x = 117,913,052.00

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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.