Home / 155,520,619.40-233,280,929.10-147,206,520.20

Finding the Fourth Proportional to 155,520,619.40, 233,280,929.10 and 147,206,520.20

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Solution

The fourth proportional to 155,520,619.40, 233,280,929.10 and 147,206,520.20 is: 220,809,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,619.40 : 233,280,929.10 = 147,206,520.20 : x
  2. Step 2: Convert to fraction form
    155,520,619.40/233,280,929.10 = 147,206,520.20/x
  3. Step 3: Cross multiply
    155,520,619.40x = 233,280,929.10 × 147,206,520.20
  4. Step 4: Simplify right side
    155,520,619.40x = 34,340,473,801,833,916
  5. Step 5: Solve for x
    x = 34,340,473,801,833,916/155,520,619.40
  6. Step 6: Final answer
    x = 220,809,780.30

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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.