Home / 79,498,310.65-109,791,307.50-70,832,334.77

Finding the Fourth Proportional to 79,498,310.65, 109,791,307.50 and 70,832,334.77

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Solution

The fourth proportional to 79,498,310.65, 109,791,307.50 and 70,832,334.77 is: 97,823,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,498,310.65 : 109,791,307.50 = 70,832,334.77 : x
  2. Step 2: Convert to fraction form
    79,498,310.65/109,791,307.50 = 70,832,334.77/x
  3. Step 3: Cross multiply
    79,498,310.65x = 109,791,307.50 × 70,832,334.77
  4. Step 4: Simplify right side
    79,498,310.65x = 7,776,774,647,676,011
  5. Step 5: Solve for x
    x = 7,776,774,647,676,011/79,498,310.65
  6. Step 6: Final answer
    x = 97,823,143.46

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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.