Home / 306,445,149.60-459,667,724.40-191,559,415.20

Finding the Fourth Proportional to 306,445,149.60, 459,667,724.40 and 191,559,415.20

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Solution

The fourth proportional to 306,445,149.60, 459,667,724.40 and 191,559,415.20 is: 287,339,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,445,149.60 : 459,667,724.40 = 191,559,415.20 : x
  2. Step 2: Convert to fraction form
    306,445,149.60/459,667,724.40 = 191,559,415.20/x
  3. Step 3: Cross multiply
    306,445,149.60x = 459,667,724.40 × 191,559,415.20
  4. Step 4: Simplify right side
    306,445,149.60x = 88,053,680,472,378,768
  5. Step 5: Solve for x
    x = 88,053,680,472,378,768/306,445,149.60
  6. Step 6: Final answer
    x = 287,339,122.80

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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.