Home / 145,746,205.20-218,621,640.60-38,040,829.20

Finding the Fourth Proportional to 145,746,205.20, 218,621,640.60 and 38,040,829.20

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Solution

The fourth proportional to 145,746,205.20, 218,621,640.60 and 38,040,829.20 is: 57,061,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,746,205.20 : 218,621,640.60 = 38,040,829.20 : x
  2. Step 2: Convert to fraction form
    145,746,205.20/218,621,640.60 = 38,040,829.20/x
  3. Step 3: Cross multiply
    145,746,205.20x = 218,621,640.60 × 38,040,829.20
  4. Step 4: Simplify right side
    145,746,205.20x = 8,316,548,489,488,386
  5. Step 5: Solve for x
    x = 8,316,548,489,488,386/145,746,205.20
  6. Step 6: Final answer
    x = 57,061,852.68

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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.