Home / 265,716,631.80-398,574,947.70-163,148,081.40

Finding the Fourth Proportional to 265,716,631.80, 398,574,947.70 and 163,148,081.40

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Solution

The fourth proportional to 265,716,631.80, 398,574,947.70 and 163,148,081.40 is: 244,722,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,716,631.80 : 398,574,947.70 = 163,148,081.40 : x
  2. Step 2: Convert to fraction form
    265,716,631.80/398,574,947.70 = 163,148,081.40/x
  3. Step 3: Cross multiply
    265,716,631.80x = 398,574,947.70 × 163,148,081.40
  4. Step 4: Simplify right side
    265,716,631.80x = 65,026,738,011,360,344
  5. Step 5: Solve for x
    x = 65,026,738,011,360,344/265,716,631.80
  6. Step 6: Final answer
    x = 244,722,122.10

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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.