Home / 98,496,187.20-147,744,280.80-30,330,021.60

Finding the Fourth Proportional to 98,496,187.20, 147,744,280.80 and 30,330,021.60

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Solution

The fourth proportional to 98,496,187.20, 147,744,280.80 and 30,330,021.60 is: 45,495,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,187.20 : 147,744,280.80 = 30,330,021.60 : x
  2. Step 2: Convert to fraction form
    98,496,187.20/147,744,280.80 = 30,330,021.60/x
  3. Step 3: Cross multiply
    98,496,187.20x = 147,744,280.80 × 30,330,021.60
  4. Step 4: Simplify right side
    98,496,187.20x = 4,481,087,227,940,466
  5. Step 5: Solve for x
    x = 4,481,087,227,940,466/98,496,187.20
  6. Step 6: Final answer
    x = 45,495,032.40

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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.