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Finding the Fourth Proportional to 98,496,000.30, 147,744,000.45 and 43,908,480.30

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Solution

The fourth proportional to 98,496,000.30, 147,744,000.45 and 43,908,480.30 is: 65,862,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,000.30 : 147,744,000.45 = 43,908,480.30 : x
  2. Step 2: Convert to fraction form
    98,496,000.30/147,744,000.45 = 43,908,480.30/x
  3. Step 3: Cross multiply
    98,496,000.30x = 147,744,000.45 × 43,908,480.30
  4. Step 4: Simplify right side
    98,496,000.30x = 6,487,214,533,202,015
  5. Step 5: Solve for x
    x = 6,487,214,533,202,015/98,496,000.30
  6. Step 6: Final answer
    x = 65,862,720.45

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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.