Home / 59,615,999.55-89,423,999.33-21,278,764.35

Finding the Fourth Proportional to 59,615,999.55, 89,423,999.33 and 21,278,764.35

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Solution

The fourth proportional to 59,615,999.55, 89,423,999.33 and 21,278,764.35 is: 31,918,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,615,999.55 : 89,423,999.33 = 21,278,764.35 : x
  2. Step 2: Convert to fraction form
    59,615,999.55/89,423,999.33 = 21,278,764.35/x
  3. Step 3: Cross multiply
    59,615,999.55x = 89,423,999.33 × 21,278,764.35
  4. Step 4: Simplify right side
    59,615,999.55x = 1,902,832,208,871,234.25
  5. Step 5: Solve for x
    x = 1,902,832,208,871,234.25/59,615,999.55
  6. Step 6: Final answer
    x = 31,918,146.53

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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.