Home / 83,041,440.30-124,562,160.45-21,630,480.30

Finding the Fourth Proportional to 83,041,440.30, 124,562,160.45 and 21,630,480.30

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Solution

The fourth proportional to 83,041,440.30, 124,562,160.45 and 21,630,480.30 is: 32,445,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,440.30 : 124,562,160.45 = 21,630,480.30 : x
  2. Step 2: Convert to fraction form
    83,041,440.30/124,562,160.45 = 21,630,480.30/x
  3. Step 3: Cross multiply
    83,041,440.30x = 124,562,160.45 × 21,630,480.30
  4. Step 4: Simplify right side
    83,041,440.30x = 2,694,339,357,739,164.50
  5. Step 5: Solve for x
    x = 2,694,339,357,739,164.50/83,041,440.30
  6. Step 6: Final answer
    x = 32,445,720.45

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Double scale
Find fourth proportional to 83,041,441.30, 124,562,161.95 and 21,630,481.30
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.