Home / 102,326,270.87-153,472,921.77-28,551,959.30

Finding the Fourth Proportional to 102,326,270.87, 153,472,921.77 and 28,551,959.30

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Solution

The fourth proportional to 102,326,270.87, 153,472,921.77 and 28,551,959.30 is: 42,823,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,326,270.87 : 153,472,921.77 = 28,551,959.30 : x
  2. Step 2: Convert to fraction form
    102,326,270.87/153,472,921.77 = 28,551,959.30/x
  3. Step 3: Cross multiply
    102,326,270.87x = 153,472,921.77 × 28,551,959.30
  4. Step 4: Simplify right side
    102,326,270.87x = 4,381,952,615,261,760
  5. Step 5: Solve for x
    x = 4,381,952,615,261,760/102,326,270.87
  6. Step 6: Final answer
    x = 42,823,339.29

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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.