Home / 70,982,468.80-97,956,102.20-38,387,420.80

Finding the Fourth Proportional to 70,982,468.80, 97,956,102.20 and 38,387,420.80

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Solution

The fourth proportional to 70,982,468.80, 97,956,102.20 and 38,387,420.80 is: 52,974,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982,468.80 : 97,956,102.20 = 38,387,420.80 : x
  2. Step 2: Convert to fraction form
    70,982,468.80/97,956,102.20 = 38,387,420.80/x
  3. Step 3: Cross multiply
    70,982,468.80x = 97,956,102.20 × 38,387,420.80
  4. Step 4: Simplify right side
    70,982,468.80x = 3,760,282,115,079,205.50
  5. Step 5: Solve for x
    x = 3,760,282,115,079,205.50/70,982,468.80
  6. Step 6: Final answer
    x = 52,974,800.38

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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.