Home / 65,511,041.76-98,263,018.08-20,072,967.84

Finding the Fourth Proportional to 65,511,041.76, 98,263,018.08 and 20,072,967.84

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Solution

The fourth proportional to 65,511,041.76, 98,263,018.08 and 20,072,967.84 is: 30,108,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511,041.76 : 98,263,018.08 = 20,072,967.84 : x
  2. Step 2: Convert to fraction form
    65,511,041.76/98,263,018.08 = 20,072,967.84/x
  3. Step 3: Cross multiply
    65,511,041.76x = 98,263,018.08 × 20,072,967.84
  4. Step 4: Simplify right side
    65,511,041.76x = 1,972,430,401,781,178.50
  5. Step 5: Solve for x
    x = 1,972,430,401,781,178.50/65,511,041.76
  6. Step 6: Final answer
    x = 30,108,365.69

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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.