Home / 155,555,765.10-233,184,348.45-120,993,000.30

Finding the Fourth Proportional to 155,555,765.10, 233,184,348.45 and 120,993,000.30

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Solution

The fourth proportional to 155,555,765.10, 233,184,348.45 and 120,993,000.30 is: 181,373,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,555,765.10 : 233,184,348.45 = 120,993,000.30 : x
  2. Step 2: Convert to fraction form
    155,555,765.10/233,184,348.45 = 120,993,000.30/x
  3. Step 3: Cross multiply
    155,555,765.10x = 233,184,348.45 × 120,993,000.30
  4. Step 4: Simplify right side
    155,555,765.10x = 28,213,673,941,966,152
  5. Step 5: Solve for x
    x = 28,213,673,941,966,152/155,555,765.10
  6. Step 6: Final answer
    x = 181,373,373.88

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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.