Home / 261,491,416.83-360,874,475.69-144,016,715.93

Finding the Fourth Proportional to 261,491,416.83, 360,874,475.69 and 144,016,715.93

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Solution

The fourth proportional to 261,491,416.83, 360,874,475.69 and 144,016,715.93 is: 198,752,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,491,416.83 : 360,874,475.69 = 144,016,715.93 : x
  2. Step 2: Convert to fraction form
    261,491,416.83/360,874,475.69 = 144,016,715.93/x
  3. Step 3: Cross multiply
    261,491,416.83x = 360,874,475.69 × 144,016,715.93
  4. Step 4: Simplify right side
    261,491,416.83x = 51,971,956,849,309,968
  5. Step 5: Solve for x
    x = 51,971,956,849,309,968/261,491,416.83
  6. Step 6: Final answer
    x = 198,752,056.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.