Home / 145,184,287.26-200,311,335.24-86,399,826.78

Finding the Fourth Proportional to 145,184,287.26, 200,311,335.24 and 86,399,826.78

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Solution

The fourth proportional to 145,184,287.26, 200,311,335.24 and 86,399,826.78 is: 119,206,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,184,287.26 : 200,311,335.24 = 86,399,826.78 : x
  2. Step 2: Convert to fraction form
    145,184,287.26/200,311,335.24 = 86,399,826.78/x
  3. Step 3: Cross multiply
    145,184,287.26x = 200,311,335.24 × 86,399,826.78
  4. Step 4: Simplify right side
    145,184,287.26x = 17,306,864,666,806,510
  5. Step 5: Solve for x
    x = 17,306,864,666,806,510/145,184,287.26
  6. Step 6: Final answer
    x = 119,206,182.66

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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.