Home / 91,563,864.40-137,345,796.60-30,979,590.40

Finding the Fourth Proportional to 91,563,864.40, 137,345,796.60 and 30,979,590.40

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Solution

The fourth proportional to 91,563,864.40, 137,345,796.60 and 30,979,590.40 is: 46,469,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,563,864.40 : 137,345,796.60 = 30,979,590.40 : x
  2. Step 2: Convert to fraction form
    91,563,864.40/137,345,796.60 = 30,979,590.40/x
  3. Step 3: Cross multiply
    91,563,864.40x = 137,345,796.60 × 30,979,590.40
  4. Step 4: Simplify right side
    91,563,864.40x = 4,254,916,521,829,712.50
  5. Step 5: Solve for x
    x = 4,254,916,521,829,712.50/91,563,864.40
  6. Step 6: Final answer
    x = 46,469,385.60

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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.