Home / 165,979,981.20-248,802,010.20-97,787,571.60

Finding the Fourth Proportional to 165,979,981.20, 248,802,010.20 and 97,787,571.60

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Solution

The fourth proportional to 165,979,981.20, 248,802,010.20 and 97,787,571.60 is: 146,582,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,979,981.20 : 248,802,010.20 = 97,787,571.60 : x
  2. Step 2: Convert to fraction form
    165,979,981.20/248,802,010.20 = 97,787,571.60/x
  3. Step 3: Cross multiply
    165,979,981.20x = 248,802,010.20 × 97,787,571.60
  4. Step 4: Simplify right side
    165,979,981.20x = 24,329,744,386,656,428
  5. Step 5: Solve for x
    x = 24,329,744,386,656,428/165,979,981.20
  6. Step 6: Final answer
    x = 146,582,402.35

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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.