Home / 303,723,026.46-455,750,394.75-128,818,854.90

Finding the Fourth Proportional to 303,723,026.46, 455,750,394.75 and 128,818,854.90

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Solution

The fourth proportional to 303,723,026.46, 455,750,394.75 and 128,818,854.90 is: 193,298,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,723,026.46 : 455,750,394.75 = 128,818,854.90 : x
  2. Step 2: Convert to fraction form
    303,723,026.46/455,750,394.75 = 128,818,854.90/x
  3. Step 3: Cross multiply
    303,723,026.46x = 455,750,394.75 × 128,818,854.90
  4. Step 4: Simplify right side
    303,723,026.46x = 58,709,243,971,917,976
  5. Step 5: Solve for x
    x = 58,709,243,971,917,976/303,723,026.46
  6. Step 6: Final answer
    x = 193,298,626.90

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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.