Home / 104,976,117.90-157,464,176.85-66,428,930.70

Finding the Fourth Proportional to 104,976,117.90, 157,464,176.85 and 66,428,930.70

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Solution

The fourth proportional to 104,976,117.90, 157,464,176.85 and 66,428,930.70 is: 99,643,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,117.90 : 157,464,176.85 = 66,428,930.70 : x
  2. Step 2: Convert to fraction form
    104,976,117.90/157,464,176.85 = 66,428,930.70/x
  3. Step 3: Cross multiply
    104,976,117.90x = 157,464,176.85 × 66,428,930.70
  4. Step 4: Simplify right side
    104,976,117.90x = 10,460,176,891,701,194
  5. Step 5: Solve for x
    x = 10,460,176,891,701,194/104,976,117.90
  6. Step 6: Final answer
    x = 99,643,396.05

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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.