Home / 99,325,019.40-148,992,194.70-31,169,934.60

Finding the Fourth Proportional to 99,325,019.40, 148,992,194.70 and 31,169,934.60

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Solution

The fourth proportional to 99,325,019.40, 148,992,194.70 and 31,169,934.60 is: 46,756,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,325,019.40 : 148,992,194.70 = 31,169,934.60 : x
  2. Step 2: Convert to fraction form
    99,325,019.40/148,992,194.70 = 31,169,934.60/x
  3. Step 3: Cross multiply
    99,325,019.40x = 148,992,194.70 × 31,169,934.60
  4. Step 4: Simplify right side
    99,325,019.40x = 4,644,076,964,709,466
  5. Step 5: Solve for x
    x = 4,644,076,964,709,466/99,325,019.40
  6. Step 6: Final answer
    x = 46,756,366.05

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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.