Home / 72,594,906,372.62-100,181,282,248.61-39,598,712,803.08

Finding the Fourth Proportional to 72,594,906,372.62, 100,181,282,248.61 and 39,598,712,803.08

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Solution

The fourth proportional to 72,594,906,372.62, 100,181,282,248.61 and 39,598,712,803.08 is: 54,646,393,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,594,906,372.62 : 100,181,282,248.61 = 39,598,712,803.08 : x
  2. Step 2: Convert to fraction form
    72,594,906,372.62/100,181,282,248.61 = 39,598,712,803.08/x
  3. Step 3: Cross multiply
    72,594,906,372.62x = 100,181,282,248.61 × 39,598,712,803.08
  4. Step 4: Simplify right side
    72,594,906,372.62x = 3,967,049,824,006,603,014,144
  5. Step 5: Solve for x
    x = 3,967,049,824,006,603,014,144/72,594,906,372.62
  6. Step 6: Final answer
    x = 54,646,393,558.86

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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.