Home / 65,405,341.44-98,122,377.54-19,343,619.38

Finding the Fourth Proportional to 65,405,341.44, 98,122,377.54 and 19,343,619.38

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Solution

The fourth proportional to 65,405,341.44, 98,122,377.54 and 19,343,619.38 is: 29,019,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,405,341.44 : 98,122,377.54 = 19,343,619.38 : x
  2. Step 2: Convert to fraction form
    65,405,341.44/98,122,377.54 = 19,343,619.38/x
  3. Step 3: Cross multiply
    65,405,341.44x = 98,122,377.54 × 19,343,619.38
  4. Step 4: Simplify right side
    65,405,341.44x = 1,898,041,924,039,726.75
  5. Step 5: Solve for x
    x = 1,898,041,924,039,726.75/65,405,341.44
  6. Step 6: Final answer
    x = 29,019,677.63

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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.