Home / 98,021,993.97-147,048,962.53-28,941,780.57

Finding the Fourth Proportional to 98,021,993.97, 147,048,962.53 and 28,941,780.57

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Solution

The fourth proportional to 98,021,993.97, 147,048,962.53 and 28,941,780.57 is: 43,417,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,021,993.97 : 147,048,962.53 = 28,941,780.57 : x
  2. Step 2: Convert to fraction form
    98,021,993.97/147,048,962.53 = 28,941,780.57/x
  3. Step 3: Cross multiply
    98,021,993.97x = 147,048,962.53 × 28,941,780.57
  4. Step 4: Simplify right side
    98,021,993.97x = 4,255,858,806,589,412
  5. Step 5: Solve for x
    x = 4,255,858,806,589,412/98,021,993.97
  6. Step 6: Final answer
    x = 43,417,386.59

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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.