Home / 212,653,862.10-318,980,793.15-125,125,529.40

Finding the Fourth Proportional to 212,653,862.10, 318,980,793.15 and 125,125,529.40

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Solution

The fourth proportional to 212,653,862.10, 318,980,793.15 and 125,125,529.40 is: 187,688,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,653,862.10 : 318,980,793.15 = 125,125,529.40 : x
  2. Step 2: Convert to fraction form
    212,653,862.10/318,980,793.15 = 125,125,529.40/x
  3. Step 3: Cross multiply
    212,653,862.10x = 318,980,793.15 × 125,125,529.40
  4. Step 4: Simplify right side
    212,653,862.10x = 39,912,640,611,325,640
  5. Step 5: Solve for x
    x = 39,912,640,611,325,640/212,653,862.10
  6. Step 6: Final answer
    x = 187,688,294.10

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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.