Home / 83,364,870.75-115,095,813.81-53,647,151.13

Finding the Fourth Proportional to 83,364,870.75, 115,095,813.81 and 53,647,151.13

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Solution

The fourth proportional to 83,364,870.75, 115,095,813.81 and 53,647,151.13 is: 74,066,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,364,870.75 : 115,095,813.81 = 53,647,151.13 : x
  2. Step 2: Convert to fraction form
    83,364,870.75/115,095,813.81 = 53,647,151.13/x
  3. Step 3: Cross multiply
    83,364,870.75x = 115,095,813.81 × 53,647,151.13
  4. Step 4: Simplify right side
    83,364,870.75x = 6,174,562,517,895,412
  5. Step 5: Solve for x
    x = 6,174,562,517,895,412/83,364,870.75
  6. Step 6: Final answer
    x = 74,066,719.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.