Home / 98,287,390.40-147,431,085.60-79,155,514.40

Finding the Fourth Proportional to 98,287,390.40, 147,431,085.60 and 79,155,514.40

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Solution

The fourth proportional to 98,287,390.40, 147,431,085.60 and 79,155,514.40 is: 118,733,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,287,390.40 : 147,431,085.60 = 79,155,514.40 : x
  2. Step 2: Convert to fraction form
    98,287,390.40/147,431,085.60 = 79,155,514.40/x
  3. Step 3: Cross multiply
    98,287,390.40x = 147,431,085.60 × 79,155,514.40
  4. Step 4: Simplify right side
    98,287,390.40x = 11,669,983,419,218,434
  5. Step 5: Solve for x
    x = 11,669,983,419,218,434/98,287,390.40
  6. Step 6: Final answer
    x = 118,733,271.60

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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.