Home / 86,696,937.90-130,074,315.62-57,665,229.50

Finding the Fourth Proportional to 86,696,937.90, 130,074,315.62 and 57,665,229.50

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Solution

The fourth proportional to 86,696,937.90, 130,074,315.62 and 57,665,229.50 is: 86,517,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,696,937.90 : 130,074,315.62 = 57,665,229.50 : x
  2. Step 2: Convert to fraction form
    86,696,937.90/130,074,315.62 = 57,665,229.50/x
  3. Step 3: Cross multiply
    86,696,937.90x = 130,074,315.62 × 57,665,229.50
  4. Step 4: Simplify right side
    86,696,937.90x = 7,500,765,262,282,735
  5. Step 5: Solve for x
    x = 7,500,765,262,282,735/86,696,937.90
  6. Step 6: Final answer
    x = 86,517,072.51

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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.