Home / 72,260,972.88-99,717,471-39,220,511.97

Finding the Fourth Proportional to 72,260,972.88, 99,717,471 and 39,220,511.97

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Solution

The fourth proportional to 72,260,972.88, 99,717,471 and 39,220,511.97 is: 54,122,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,260,972.88 : 99,717,471 = 39,220,511.97 : x
  2. Step 2: Convert to fraction form
    72,260,972.88/99,717,471 = 39,220,511.97/x
  3. Step 3: Cross multiply
    72,260,972.88x = 99,717,471 × 39,220,511.97
  4. Step 4: Simplify right side
    72,260,972.88x = 3,910,970,264,973,628
  5. Step 5: Solve for x
    x = 3,910,970,264,973,628/72,260,972.88
  6. Step 6: Final answer
    x = 54,122,856.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.