Home / 74,751,036.90-112,126,555.35-20,163,516.90

Finding the Fourth Proportional to 74,751,036.90, 112,126,555.35 and 20,163,516.90

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Solution

The fourth proportional to 74,751,036.90, 112,126,555.35 and 20,163,516.90 is: 30,245,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,751,036.90 : 112,126,555.35 = 20,163,516.90 : x
  2. Step 2: Convert to fraction form
    74,751,036.90/112,126,555.35 = 20,163,516.90/x
  3. Step 3: Cross multiply
    74,751,036.90x = 112,126,555.35 × 20,163,516.90
  4. Step 4: Simplify right side
    74,751,036.90x = 2,260,865,693,738,510
  5. Step 5: Solve for x
    x = 2,260,865,693,738,510/74,751,036.90
  6. Step 6: Final answer
    x = 30,245,275.35

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Double scale
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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.