Home / 86,857,569.11-130,246,622.69-51,858,570.71

Finding the Fourth Proportional to 86,857,569.11, 130,246,622.69 and 51,858,570.71

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Solution

The fourth proportional to 86,857,569.11, 130,246,622.69 and 51,858,570.71 is: 77,764,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857,569.11 : 130,246,622.69 = 51,858,570.71 : x
  2. Step 2: Convert to fraction form
    86,857,569.11/130,246,622.69 = 51,858,570.71/x
  3. Step 3: Cross multiply
    86,857,569.11x = 130,246,622.69 × 51,858,570.71
  4. Step 4: Simplify right side
    86,857,569.11x = 6,754,403,692,574,379
  5. Step 5: Solve for x
    x = 6,754,403,692,574,379/86,857,569.11
  6. Step 6: Final answer
    x = 77,764,134.57

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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.