Home / 71,220,461.45-106,774,883.06-28,121,924.94

Finding the Fourth Proportional to 71,220,461.45, 106,774,883.06 and 28,121,924.94

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Solution

The fourth proportional to 71,220,461.45, 106,774,883.06 and 28,121,924.94 is: 42,160,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,220,461.45 : 106,774,883.06 = 28,121,924.94 : x
  2. Step 2: Convert to fraction form
    71,220,461.45/106,774,883.06 = 28,121,924.94/x
  3. Step 3: Cross multiply
    71,220,461.45x = 106,774,883.06 × 28,121,924.94
  4. Step 4: Simplify right side
    71,220,461.45x = 3,002,715,246,749,988
  5. Step 5: Solve for x
    x = 3,002,715,246,749,988/71,220,461.45
  6. Step 6: Final answer
    x = 42,160,850.77

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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.