Home / 188,290,437.40-282,435,656.10-67,078,149.40

Finding the Fourth Proportional to 188,290,437.40, 282,435,656.10 and 67,078,149.40

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Solution

The fourth proportional to 188,290,437.40, 282,435,656.10 and 67,078,149.40 is: 100,617,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,290,437.40 : 282,435,656.10 = 67,078,149.40 : x
  2. Step 2: Convert to fraction form
    188,290,437.40/282,435,656.10 = 67,078,149.40/x
  3. Step 3: Cross multiply
    188,290,437.40x = 282,435,656.10 × 67,078,149.40
  4. Step 4: Simplify right side
    188,290,437.40x = 18,945,261,135,762,824
  5. Step 5: Solve for x
    x = 18,945,261,135,762,824/188,290,437.40
  6. Step 6: Final answer
    x = 100,617,224.10

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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.