Home / 92,012,135.40-137,900,979.90-48,901,991.40

Finding the Fourth Proportional to 92,012,135.40, 137,900,979.90 and 48,901,991.40

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Solution

The fourth proportional to 92,012,135.40, 137,900,979.90 and 48,901,991.40 is: 73,290,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012,135.40 : 137,900,979.90 = 48,901,991.40 : x
  2. Step 2: Convert to fraction form
    92,012,135.40/137,900,979.90 = 48,901,991.40/x
  3. Step 3: Cross multiply
    92,012,135.40x = 137,900,979.90 × 48,901,991.40
  4. Step 4: Simplify right side
    92,012,135.40x = 6,743,632,533,121,373
  5. Step 5: Solve for x
    x = 6,743,632,533,121,373/92,012,135.40
  6. Step 6: Final answer
    x = 73,290,686.10

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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.