Home / 265,734,079.80-398,601,119.70-162,421,949.40

Finding the Fourth Proportional to 265,734,079.80, 398,601,119.70 and 162,421,949.40

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Solution

The fourth proportional to 265,734,079.80, 398,601,119.70 and 162,421,949.40 is: 243,632,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734,079.80 : 398,601,119.70 = 162,421,949.40 : x
  2. Step 2: Convert to fraction form
    265,734,079.80/398,601,119.70 = 162,421,949.40/x
  3. Step 3: Cross multiply
    265,734,079.80x = 398,601,119.70 × 162,421,949.40
  4. Step 4: Simplify right side
    265,734,079.80x = 64,741,570,894,696,744
  5. Step 5: Solve for x
    x = 64,741,570,894,696,744/265,734,079.80
  6. Step 6: Final answer
    x = 243,632,924.10

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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.