Home / 31,642,349.90-43,663,803.38-29,328,810.08

Finding the Fourth Proportional to 31,642,349.90, 43,663,803.38 and 29,328,810.08

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Solution

The fourth proportional to 31,642,349.90, 43,663,803.38 and 29,328,810.08 is: 40,471,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642,349.90 : 43,663,803.38 = 29,328,810.08 : x
  2. Step 2: Convert to fraction form
    31,642,349.90/43,663,803.38 = 29,328,810.08/x
  3. Step 3: Cross multiply
    31,642,349.90x = 43,663,803.38 × 29,328,810.08
  4. Step 4: Simplify right side
    31,642,349.90x = 1,280,607,396,702,482
  5. Step 5: Solve for x
    x = 1,280,607,396,702,482/31,642,349.90
  6. Step 6: Final answer
    x = 40,471,311.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.