Home / 83,051,683.20-124,577,524.80-78,894,633.60

Finding the Fourth Proportional to 83,051,683.20, 124,577,524.80 and 78,894,633.60

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Solution

The fourth proportional to 83,051,683.20, 124,577,524.80 and 78,894,633.60 is: 118,341,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,051,683.20 : 124,577,524.80 = 78,894,633.60 : x
  2. Step 2: Convert to fraction form
    83,051,683.20/124,577,524.80 = 78,894,633.60/x
  3. Step 3: Cross multiply
    83,051,683.20x = 124,577,524.80 × 78,894,633.60
  4. Step 4: Simplify right side
    83,051,683.20x = 9,828,498,173,890,912
  5. Step 5: Solve for x
    x = 9,828,498,173,890,912/83,051,683.20
  6. Step 6: Final answer
    x = 118,341,950.40

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Similar ratio
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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.