Home / 298,077,479.70-447,182,904.98-90,832,110.21

Finding the Fourth Proportional to 298,077,479.70, 447,182,904.98 and 90,832,110.21

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Solution

The fourth proportional to 298,077,479.70, 447,182,904.98 and 90,832,110.21 is: 136,268,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,077,479.70 : 447,182,904.98 = 90,832,110.21 : x
  2. Step 2: Convert to fraction form
    298,077,479.70/447,182,904.98 = 90,832,110.21/x
  3. Step 3: Cross multiply
    298,077,479.70x = 447,182,904.98 × 90,832,110.21
  4. Step 4: Simplify right side
    298,077,479.70x = 40,618,566,909,835,120
  5. Step 5: Solve for x
    x = 40,618,566,909,835,120/298,077,479.70
  6. Step 6: Final answer
    x = 136,268,486.14

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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.