Home / 286,729,896.71-430,097,334.14-92,641,332.65

Finding the Fourth Proportional to 286,729,896.71, 430,097,334.14 and 92,641,332.65

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Solution

The fourth proportional to 286,729,896.71, 430,097,334.14 and 92,641,332.65 is: 138,962,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,729,896.71 : 430,097,334.14 = 92,641,332.65 : x
  2. Step 2: Convert to fraction form
    286,729,896.71/430,097,334.14 = 92,641,332.65/x
  3. Step 3: Cross multiply
    286,729,896.71x = 430,097,334.14 × 92,641,332.65
  4. Step 4: Simplify right side
    286,729,896.71x = 39,844,790,202,023,056
  5. Step 5: Solve for x
    x = 39,844,790,202,023,056/286,729,896.71
  6. Step 6: Final answer
    x = 138,962,803.18

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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.