Home / 72,183,729.60-108,275,594.40-60,226,307.10

Finding the Fourth Proportional to 72,183,729.60, 108,275,594.40 and 60,226,307.10

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Solution

The fourth proportional to 72,183,729.60, 108,275,594.40 and 60,226,307.10 is: 90,339,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,729.60 : 108,275,594.40 = 60,226,307.10 : x
  2. Step 2: Convert to fraction form
    72,183,729.60/108,275,594.40 = 60,226,307.10/x
  3. Step 3: Cross multiply
    72,183,729.60x = 108,275,594.40 × 60,226,307.10
  4. Step 4: Simplify right side
    72,183,729.60x = 6,521,039,199,769,441
  5. Step 5: Solve for x
    x = 6,521,039,199,769,441/72,183,729.60
  6. Step 6: Final answer
    x = 90,339,460.65

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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.