Home / 72,504,827,002.71-100,061,949,553.42-42,028,878,511.17

Finding the Fourth Proportional to 72,504,827,002.71, 100,061,949,553.42 and 42,028,878,511.17

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Solution

The fourth proportional to 72,504,827,002.71, 100,061,949,553.42 and 42,028,878,511.17 is: 58,002,917,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504,827,002.71 : 100,061,949,553.42 = 42,028,878,511.17 : x
  2. Step 2: Convert to fraction form
    72,504,827,002.71/100,061,949,553.42 = 42,028,878,511.17/x
  3. Step 3: Cross multiply
    72,504,827,002.71x = 100,061,949,553.42 × 42,028,878,511.17
  4. Step 4: Simplify right side
    72,504,827,002.71x = 4,205,491,521,371,510,407,168
  5. Step 5: Solve for x
    x = 4,205,491,521,371,510,407,168/72,504,827,002.71
  6. Step 6: Final answer
    x = 58,002,917,808.69

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1.5x scale

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.