Home / 121,279,256.80-181,926,758.40-63,883,628.80

Finding the Fourth Proportional to 121,279,256.80, 181,926,758.40 and 63,883,628.80

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Solution

The fourth proportional to 121,279,256.80, 181,926,758.40 and 63,883,628.80 is: 95,829,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,256.80 : 181,926,758.40 = 63,883,628.80 : x
  2. Step 2: Convert to fraction form
    121,279,256.80/181,926,758.40 = 63,883,628.80/x
  3. Step 3: Cross multiply
    121,279,256.80x = 181,926,758.40 × 63,883,628.80
  4. Step 4: Simplify right side
    121,279,256.80x = 11,622,141,502,412,882
  5. Step 5: Solve for x
    x = 11,622,141,502,412,882/121,279,256.80
  6. Step 6: Final answer
    x = 95,829,590.39

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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.