Home / 155,052,551.16-213,977,084.76-85,442,416.04

Finding the Fourth Proportional to 155,052,551.16, 213,977,084.76 and 85,442,416.04

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Solution

The fourth proportional to 155,052,551.16, 213,977,084.76 and 85,442,416.04 is: 117,913,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,052,551.16 : 213,977,084.76 = 85,442,416.04 : x
  2. Step 2: Convert to fraction form
    155,052,551.16/213,977,084.76 = 85,442,416.04/x
  3. Step 3: Cross multiply
    155,052,551.16x = 213,977,084.76 × 85,442,416.04
  4. Step 4: Simplify right side
    155,052,551.16x = 18,282,719,099,090,264
  5. Step 5: Solve for x
    x = 18,282,719,099,090,264/155,052,551.16
  6. Step 6: Final answer
    x = 117,913,049.24

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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.