Home / 43,115,471.20-64,673,206.80-21,553,400.80

Finding the Fourth Proportional to 43,115,471.20, 64,673,206.80 and 21,553,400.80

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Solution

The fourth proportional to 43,115,471.20, 64,673,206.80 and 21,553,400.80 is: 32,330,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115,471.20 : 64,673,206.80 = 21,553,400.80 : x
  2. Step 2: Convert to fraction form
    43,115,471.20/64,673,206.80 = 21,553,400.80/x
  3. Step 3: Cross multiply
    43,115,471.20x = 64,673,206.80 × 21,553,400.80
  4. Step 4: Simplify right side
    43,115,471.20x = 1,393,927,547,181,685.50
  5. Step 5: Solve for x
    x = 1,393,927,547,181,685.50/43,115,471.20
  6. Step 6: Final answer
    x = 32,330,101.20

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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.