Home / 197,556,969.40-296,366,946.90-82,482,278.20

Finding the Fourth Proportional to 197,556,969.40, 296,366,946.90 and 82,482,278.20

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Solution

The fourth proportional to 197,556,969.40, 296,366,946.90 and 82,482,278.20 is: 123,736,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,556,969.40 : 296,366,946.90 = 82,482,278.20 : x
  2. Step 2: Convert to fraction form
    197,556,969.40/296,366,946.90 = 82,482,278.20/x
  3. Step 3: Cross multiply
    197,556,969.40x = 296,366,946.90 × 82,482,278.20
  4. Step 4: Simplify right side
    197,556,969.40x = 24,445,020,963,490,428
  5. Step 5: Solve for x
    x = 24,445,020,963,490,428/197,556,969.40
  6. Step 6: Final answer
    x = 123,736,565.90

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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.