Home / 70,738,985.71-97,618,800.37-39,799,081.18

Finding the Fourth Proportional to 70,738,985.71, 97,618,800.37 and 39,799,081.18

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Solution

The fourth proportional to 70,738,985.71, 97,618,800.37 and 39,799,081.18 is: 54,922,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738,985.71 : 97,618,800.37 = 39,799,081.18 : x
  2. Step 2: Convert to fraction form
    70,738,985.71/97,618,800.37 = 39,799,081.18/x
  3. Step 3: Cross multiply
    70,738,985.71x = 97,618,800.37 × 39,799,081.18
  4. Step 4: Simplify right side
    70,738,985.71x = 3,885,138,559,932,754
  5. Step 5: Solve for x
    x = 3,885,138,559,932,754/70,738,985.71
  6. Step 6: Final answer
    x = 54,922,169.45

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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.