Home / 318,785,525.04-439,926,480.96-179,543,259.12

Finding the Fourth Proportional to 318,785,525.04, 439,926,480.96 and 179,543,259.12

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Solution

The fourth proportional to 318,785,525.04, 439,926,480.96 and 179,543,259.12 is: 247,771,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,785,525.04 : 439,926,480.96 = 179,543,259.12 : x
  2. Step 2: Convert to fraction form
    318,785,525.04/439,926,480.96 = 179,543,259.12/x
  3. Step 3: Cross multiply
    318,785,525.04x = 439,926,480.96 × 179,543,259.12
  4. Step 4: Simplify right side
    318,785,525.04x = 78,985,834,164,751,024
  5. Step 5: Solve for x
    x = 78,985,834,164,751,024/318,785,525.04
  6. Step 6: Final answer
    x = 247,771,081.06

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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.