Home / 99,659,423.66-149,565,435.80-45,110,316.93

Finding the Fourth Proportional to 99,659,423.66, 149,565,435.80 and 45,110,316.93

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Solution

The fourth proportional to 99,659,423.66, 149,565,435.80 and 45,110,316.93 is: 67,700,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,659,423.66 : 149,565,435.80 = 45,110,316.93 : x
  2. Step 2: Convert to fraction form
    99,659,423.66/149,565,435.80 = 45,110,316.93/x
  3. Step 3: Cross multiply
    99,659,423.66x = 149,565,435.80 × 45,110,316.93
  4. Step 4: Simplify right side
    99,659,423.66x = 6,746,944,210,486,016
  5. Step 5: Solve for x
    x = 6,746,944,210,486,016/99,659,423.66
  6. Step 6: Final answer
    x = 67,700,012.33

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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.