Home / 72,171,069.30-108,256,603.95-49,212,818.10

Finding the Fourth Proportional to 72,171,069.30, 108,256,603.95 and 49,212,818.10

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Solution

The fourth proportional to 72,171,069.30, 108,256,603.95 and 49,212,818.10 is: 73,819,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,069.30 : 108,256,603.95 = 49,212,818.10 : x
  2. Step 2: Convert to fraction form
    72,171,069.30/108,256,603.95 = 49,212,818.10/x
  3. Step 3: Cross multiply
    72,171,069.30x = 108,256,603.95 × 49,212,818.10
  4. Step 4: Simplify right side
    72,171,069.30x = 5,327,612,558,315,092
  5. Step 5: Solve for x
    x = 5,327,612,558,315,092/72,171,069.30
  6. Step 6: Final answer
    x = 73,819,227.15

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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.