Home / 45,357,182.70-68,018,083.65-19,780,752.30

Finding the Fourth Proportional to 45,357,182.70, 68,018,083.65 and 19,780,752.30

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Solution

The fourth proportional to 45,357,182.70, 68,018,083.65 and 19,780,752.30 is: 29,663,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,357,182.70 : 68,018,083.65 = 19,780,752.30 : x
  2. Step 2: Convert to fraction form
    45,357,182.70/68,018,083.65 = 19,780,752.30/x
  3. Step 3: Cross multiply
    45,357,182.70x = 68,018,083.65 × 19,780,752.30
  4. Step 4: Simplify right side
    45,357,182.70x = 1,345,448,864,601,330
  5. Step 5: Solve for x
    x = 1,345,448,864,601,330/45,357,182.70
  6. Step 6: Final answer
    x = 29,663,413.48

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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.