Home / 76,746,368.40-115,179,249.42-53,566,718.10

Finding the Fourth Proportional to 76,746,368.40, 115,179,249.42 and 53,566,718.10

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Solution

The fourth proportional to 76,746,368.40, 115,179,249.42 and 53,566,718.10 is: 80,391,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746,368.40 : 115,179,249.42 = 53,566,718.10 : x
  2. Step 2: Convert to fraction form
    76,746,368.40/115,179,249.42 = 53,566,718.10/x
  3. Step 3: Cross multiply
    76,746,368.40x = 115,179,249.42 × 53,566,718.10
  4. Step 4: Simplify right side
    76,746,368.40x = 6,169,774,384,650,729
  5. Step 5: Solve for x
    x = 6,169,774,384,650,729/76,746,368.40
  6. Step 6: Final answer
    x = 80,391,743.78

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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.