Home / 103,355,105,197.16-142,656,582,891.30-67,315,943,965.52

Finding the Fourth Proportional to 103,355,105,197.16, 142,656,582,891.30 and 67,315,943,965.52

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Solution

The fourth proportional to 103,355,105,197.16, 142,656,582,891.30 and 67,315,943,965.52 is: 92,913,286,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,355,105,197.16 : 142,656,582,891.30 = 67,315,943,965.52 : x
  2. Step 2: Convert to fraction form
    103,355,105,197.16/142,656,582,891.30 = 67,315,943,965.52/x
  3. Step 3: Cross multiply
    103,355,105,197.16x = 142,656,582,891.30 × 67,315,943,965.52
  4. Step 4: Simplify right side
    103,355,105,197.16x = 9,603,062,540,223,308,103,680
  5. Step 5: Solve for x
    x = 9,603,062,540,223,308,103,680/103,355,105,197.16
  6. Step 6: Final answer
    x = 92,913,286,885.10

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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.