Home / 155,415,789.28-233,083,064.40-46,211,550.88

Finding the Fourth Proportional to 155,415,789.28, 233,083,064.40 and 46,211,550.88

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Solution

The fourth proportional to 155,415,789.28, 233,083,064.40 and 46,211,550.88 is: 69,305,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,415,789.28 : 233,083,064.40 = 46,211,550.88 : x
  2. Step 2: Convert to fraction form
    155,415,789.28/233,083,064.40 = 46,211,550.88/x
  3. Step 3: Cross multiply
    155,415,789.28x = 233,083,064.40 × 46,211,550.88
  4. Step 4: Simplify right side
    155,415,789.28x = 10,771,129,889,786,918
  5. Step 5: Solve for x
    x = 10,771,129,889,786,918/155,415,789.28
  6. Step 6: Final answer
    x = 69,305,248.45

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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.