Home / 188,280,671.40-282,421,007.10-67,068,383.40

Finding the Fourth Proportional to 188,280,671.40, 282,421,007.10 and 67,068,383.40

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Solution

The fourth proportional to 188,280,671.40, 282,421,007.10 and 67,068,383.40 is: 100,602,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,280,671.40 : 282,421,007.10 = 67,068,383.40 : x
  2. Step 2: Convert to fraction form
    188,280,671.40/282,421,007.10 = 67,068,383.40/x
  3. Step 3: Cross multiply
    188,280,671.40x = 282,421,007.10 × 67,068,383.40
  4. Step 4: Simplify right side
    188,280,671.40x = 18,941,520,384,396,924
  5. Step 5: Solve for x
    x = 18,941,520,384,396,924/188,280,671.40
  6. Step 6: Final answer
    x = 100,602,575.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.