Home / 133,281,131.40-199,935,693.90-42,383,579.40

Finding the Fourth Proportional to 133,281,131.40, 199,935,693.90 and 42,383,579.40

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Solution

The fourth proportional to 133,281,131.40, 199,935,693.90 and 42,383,579.40 is: 63,579,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,281,131.40 : 199,935,693.90 = 42,383,579.40 : x
  2. Step 2: Convert to fraction form
    133,281,131.40/199,935,693.90 = 42,383,579.40/x
  3. Step 3: Cross multiply
    133,281,131.40x = 199,935,693.90 × 42,383,579.40
  4. Step 4: Simplify right side
    133,281,131.40x = 8,473,990,357,304,746
  5. Step 5: Solve for x
    x = 8,473,990,357,304,746/133,281,131.40
  6. Step 6: Final answer
    x = 63,579,820.10

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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.