Home / 155,520,476.20-233,280,714.30-115,209,692.20

Finding the Fourth Proportional to 155,520,476.20, 233,280,714.30 and 115,209,692.20

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Solution

The fourth proportional to 155,520,476.20, 233,280,714.30 and 115,209,692.20 is: 172,814,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,476.20 : 233,280,714.30 = 115,209,692.20 : x
  2. Step 2: Convert to fraction form
    155,520,476.20/233,280,714.30 = 115,209,692.20/x
  3. Step 3: Cross multiply
    155,520,476.20x = 233,280,714.30 × 115,209,692.20
  4. Step 4: Simplify right side
    155,520,476.20x = 26,876,199,290,699,140
  5. Step 5: Solve for x
    x = 26,876,199,290,699,140/155,520,476.20
  6. Step 6: Final answer
    x = 172,814,538.30

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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.