Home / 45,357,181.20-68,018,081.40-19,780,750.80

Finding the Fourth Proportional to 45,357,181.20, 68,018,081.40 and 19,780,750.80

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Solution

The fourth proportional to 45,357,181.20, 68,018,081.40 and 19,780,750.80 is: 29,663,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,357,181.20 : 68,018,081.40 = 19,780,750.80 : x
  2. Step 2: Convert to fraction form
    45,357,181.20/68,018,081.40 = 19,780,750.80/x
  3. Step 3: Cross multiply
    45,357,181.20x = 68,018,081.40 × 19,780,750.80
  4. Step 4: Simplify right side
    45,357,181.20x = 1,345,448,718,067,515.25
  5. Step 5: Solve for x
    x = 1,345,448,718,067,515.25/45,357,181.20
  6. Step 6: Final answer
    x = 29,663,411.23

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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.