Home / 113,570,291.20-170,355,436.80-72,755,622.40

Finding the Fourth Proportional to 113,570,291.20, 170,355,436.80 and 72,755,622.40

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Solution

The fourth proportional to 113,570,291.20, 170,355,436.80 and 72,755,622.40 is: 109,133,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,570,291.20 : 170,355,436.80 = 72,755,622.40 : x
  2. Step 2: Convert to fraction form
    113,570,291.20/170,355,436.80 = 72,755,622.40/x
  3. Step 3: Cross multiply
    113,570,291.20x = 170,355,436.80 × 72,755,622.40
  4. Step 4: Simplify right side
    113,570,291.20x = 12,394,315,833,607,866
  5. Step 5: Solve for x
    x = 12,394,315,833,607,866/113,570,291.20
  6. Step 6: Final answer
    x = 109,133,433.60

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1.5x scale

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.