Home / 120,878,988.96-181,372,021.92-63,357,584.16

Finding the Fourth Proportional to 120,878,988.96, 181,372,021.92 and 63,357,584.16

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Solution

The fourth proportional to 120,878,988.96, 181,372,021.92 and 63,357,584.16 is: 95,064,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,878,988.96 : 181,372,021.92 = 63,357,584.16 : x
  2. Step 2: Convert to fraction form
    120,878,988.96/181,372,021.92 = 63,357,584.16/x
  3. Step 3: Cross multiply
    120,878,988.96x = 181,372,021.92 × 63,357,584.16
  4. Step 4: Simplify right side
    120,878,988.96x = 11,491,293,143,065,764
  5. Step 5: Solve for x
    x = 11,491,293,143,065,764/120,878,988.96
  6. Step 6: Final answer
    x = 95,064,437.93

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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.