Home / 268,779,985.20-403,244,627.40-115,499,473.20

Finding the Fourth Proportional to 268,779,985.20, 403,244,627.40 and 115,499,473.20

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Solution

The fourth proportional to 268,779,985.20, 403,244,627.40 and 115,499,473.20 is: 173,281,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779,985.20 : 403,244,627.40 = 115,499,473.20 : x
  2. Step 2: Convert to fraction form
    268,779,985.20/403,244,627.40 = 115,499,473.20/x
  3. Step 3: Cross multiply
    268,779,985.20x = 403,244,627.40 × 115,499,473.20
  4. Step 4: Simplify right side
    268,779,985.20x = 46,574,542,035,430,288
  5. Step 5: Solve for x
    x = 46,574,542,035,430,288/268,779,985.20
  6. Step 6: Final answer
    x = 173,281,288.04

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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.