Home / 292,521,949.20-438,847,877.70-98,427,886.20

Finding the Fourth Proportional to 292,521,949.20, 438,847,877.70 and 98,427,886.20

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Solution

The fourth proportional to 292,521,949.20, 438,847,877.70 and 98,427,886.20 is: 147,663,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,521,949.20 : 438,847,877.70 = 98,427,886.20 : x
  2. Step 2: Convert to fraction form
    292,521,949.20/438,847,877.70 = 98,427,886.20/x
  3. Step 3: Cross multiply
    292,521,949.20x = 438,847,877.70 × 98,427,886.20
  4. Step 4: Simplify right side
    292,521,949.20x = 43,194,868,965,367,120
  5. Step 5: Solve for x
    x = 43,194,868,965,367,120/292,521,949.20
  6. Step 6: Final answer
    x = 147,663,685.01

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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.