Home / 286,390,870.20-429,810,254.10-133,055,926.20

Finding the Fourth Proportional to 286,390,870.20, 429,810,254.10 and 133,055,926.20

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Solution

The fourth proportional to 286,390,870.20, 429,810,254.10 and 133,055,926.20 is: 199,687,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,390,870.20 : 429,810,254.10 = 133,055,926.20 : x
  2. Step 2: Convert to fraction form
    286,390,870.20/429,810,254.10 = 133,055,926.20/x
  3. Step 3: Cross multiply
    286,390,870.20x = 429,810,254.10 × 133,055,926.20
  4. Step 4: Simplify right side
    286,390,870.20x = 57,188,801,449,532,848
  5. Step 5: Solve for x
    x = 57,188,801,449,532,848/286,390,870.20
  6. Step 6: Final answer
    x = 199,687,934.92

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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.