Home / 66,803,432.60-100,205,148.90-51,668,226.20

Finding the Fourth Proportional to 66,803,432.60, 100,205,148.90 and 51,668,226.20

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Solution

The fourth proportional to 66,803,432.60, 100,205,148.90 and 51,668,226.20 is: 77,502,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803,432.60 : 100,205,148.90 = 51,668,226.20 : x
  2. Step 2: Convert to fraction form
    66,803,432.60/100,205,148.90 = 51,668,226.20/x
  3. Step 3: Cross multiply
    66,803,432.60x = 100,205,148.90 × 51,668,226.20
  4. Step 4: Simplify right side
    66,803,432.60x = 5,177,422,299,769,882
  5. Step 5: Solve for x
    x = 5,177,422,299,769,882/66,803,432.60
  6. Step 6: Final answer
    x = 77,502,339.30

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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.