Home / 70,738,985.45-97,618,800.02-39,799,080.92

Finding the Fourth Proportional to 70,738,985.45, 97,618,800.02 and 39,799,080.92

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Solution

The fourth proportional to 70,738,985.45, 97,618,800.02 and 39,799,080.92 is: 54,922,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738,985.45 : 97,618,800.02 = 39,799,080.92 : x
  2. Step 2: Convert to fraction form
    70,738,985.45/97,618,800.02 = 39,799,080.92/x
  3. Step 3: Cross multiply
    70,738,985.45x = 97,618,800.02 × 39,799,080.92
  4. Step 4: Simplify right side
    70,738,985.45x = 3,885,138,521,354,329
  5. Step 5: Solve for x
    x = 3,885,138,521,354,329/70,738,985.45
  6. Step 6: Final answer
    x = 54,922,169.11

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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.