Home / 55,638,061.98-83,398,190.54-18,714,802.23

Finding the Fourth Proportional to 55,638,061.98, 83,398,190.54 and 18,714,802.23

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Solution

The fourth proportional to 55,638,061.98, 83,398,190.54 and 18,714,802.23 is: 28,052,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638,061.98 : 83,398,190.54 = 18,714,802.23 : x
  2. Step 2: Convert to fraction form
    55,638,061.98/83,398,190.54 = 18,714,802.23/x
  3. Step 3: Cross multiply
    55,638,061.98x = 83,398,190.54 × 18,714,802.23
  4. Step 4: Simplify right side
    55,638,061.98x = 1,560,780,642,295,957
  5. Step 5: Solve for x
    x = 1,560,780,642,295,957/55,638,061.98
  6. Step 6: Final answer
    x = 28,052,390.52

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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.