Home / 113,570,417.20-170,355,625.80-72,755,748.40

Finding the Fourth Proportional to 113,570,417.20, 170,355,625.80 and 72,755,748.40

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Solution

The fourth proportional to 113,570,417.20, 170,355,625.80 and 72,755,748.40 is: 109,133,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,570,417.20 : 170,355,625.80 = 72,755,748.40 : x
  2. Step 2: Convert to fraction form
    113,570,417.20/170,355,625.80 = 72,755,748.40/x
  3. Step 3: Cross multiply
    113,570,417.20x = 170,355,625.80 × 72,755,748.40
  4. Step 4: Simplify right side
    113,570,417.20x = 12,394,351,049,229,350
  5. Step 5: Solve for x
    x = 12,394,351,049,229,350/113,570,417.20
  6. Step 6: Final answer
    x = 109,133,622.60

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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.