Home / 98,931,308.04-148,325,217.48-66,502,778.22

Finding the Fourth Proportional to 98,931,308.04, 148,325,217.48 and 66,502,778.22

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Solution

The fourth proportional to 98,931,308.04, 148,325,217.48 and 66,502,778.22 is: 99,705,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,308.04 : 148,325,217.48 = 66,502,778.22 : x
  2. Step 2: Convert to fraction form
    98,931,308.04/148,325,217.48 = 66,502,778.22/x
  3. Step 3: Cross multiply
    98,931,308.04x = 148,325,217.48 × 66,502,778.22
  4. Step 4: Simplify right side
    98,931,308.04x = 9,864,039,042,505,706
  5. Step 5: Solve for x
    x = 9,864,039,042,505,706/98,931,308.04
  6. Step 6: Final answer
    x = 99,705,939.79

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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.