Home / 305,151,832-457,822,226.32-105,748,079.68

Finding the Fourth Proportional to 305,151,832, 457,822,226.32 and 105,748,079.68

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Solution

The fourth proportional to 305,151,832, 457,822,226.32 and 105,748,079.68 is: 158,654,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,151,832 : 457,822,226.32 = 105,748,079.68 : x
  2. Step 2: Convert to fraction form
    305,151,832/457,822,226.32 = 105,748,079.68/x
  3. Step 3: Cross multiply
    305,151,832x = 457,822,226.32 × 105,748,079.68
  4. Step 4: Simplify right side
    305,151,832x = 48,413,821,268,162,352
  5. Step 5: Solve for x
    x = 48,413,821,268,162,352/305,151,832
  6. Step 6: Final answer
    x = 158,654,860.27

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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.