Home / 288,684,479.40-433,026,719.10-135,346,036.20

Finding the Fourth Proportional to 288,684,479.40, 433,026,719.10 and 135,346,036.20

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Solution

The fourth proportional to 288,684,479.40, 433,026,719.10 and 135,346,036.20 is: 203,019,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,684,479.40 : 433,026,719.10 = 135,346,036.20 : x
  2. Step 2: Convert to fraction form
    288,684,479.40/433,026,719.10 = 135,346,036.20/x
  3. Step 3: Cross multiply
    288,684,479.40x = 433,026,719.10 × 135,346,036.20
  4. Step 4: Simplify right side
    288,684,479.40x = 58,608,449,998,875,832
  5. Step 5: Solve for x
    x = 58,608,449,998,875,832/288,684,479.40
  6. Step 6: Final answer
    x = 203,019,054.30

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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.