Home / 133,281,132.40-199,935,695.40-42,383,580.40

Finding the Fourth Proportional to 133,281,132.40, 199,935,695.40 and 42,383,580.40

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Solution

The fourth proportional to 133,281,132.40, 199,935,695.40 and 42,383,580.40 is: 63,579,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,281,132.40 : 199,935,695.40 = 42,383,580.40 : x
  2. Step 2: Convert to fraction form
    133,281,132.40/199,935,695.40 = 42,383,580.40/x
  3. Step 3: Cross multiply
    133,281,132.40x = 199,935,695.40 × 42,383,580.40
  4. Step 4: Simplify right side
    133,281,132.40x = 8,473,990,620,815,810
  5. Step 5: Solve for x
    x = 8,473,990,620,815,810/133,281,132.40
  6. Step 6: Final answer
    x = 63,579,821.60

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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.