Home / 70,738,985.75-97,618,800.40-39,799,081.22

Finding the Fourth Proportional to 70,738,985.75, 97,618,800.40 and 39,799,081.22

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Solution

The fourth proportional to 70,738,985.75, 97,618,800.40 and 39,799,081.22 is: 54,922,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738,985.75 : 97,618,800.40 = 39,799,081.22 : x
  2. Step 2: Convert to fraction form
    70,738,985.75/97,618,800.40 = 39,799,081.22/x
  3. Step 3: Cross multiply
    70,738,985.75x = 97,618,800.40 × 39,799,081.22
  4. Step 4: Simplify right side
    70,738,985.75x = 3,885,138,565,130,977
  5. Step 5: Solve for x
    x = 3,885,138,565,130,977/70,738,985.75
  6. Step 6: Final answer
    x = 54,922,169.50

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