Home / 103,355,105,198.16-142,656,582,892.68-67,315,943,966.52

Finding the Fourth Proportional to 103,355,105,198.16, 142,656,582,892.68 and 67,315,943,966.52

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Solution

The fourth proportional to 103,355,105,198.16, 142,656,582,892.68 and 67,315,943,966.52 is: 92,913,286,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,355,105,198.16 : 142,656,582,892.68 = 67,315,943,966.52 : x
  2. Step 2: Convert to fraction form
    103,355,105,198.16/142,656,582,892.68 = 67,315,943,966.52/x
  3. Step 3: Cross multiply
    103,355,105,198.16x = 142,656,582,892.68 × 67,315,943,966.52
  4. Step 4: Simplify right side
    103,355,105,198.16x = 9,603,062,540,458,862,313,472
  5. Step 5: Solve for x
    x = 9,603,062,540,458,862,313,472/103,355,105,198.16
  6. Step 6: Final answer
    x = 92,913,286,886.48

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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.