Home / 65,448,001.90-98,172,002.85-20,009,796.40

Finding the Fourth Proportional to 65,448,001.90, 98,172,002.85 and 20,009,796.40

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Solution

The fourth proportional to 65,448,001.90, 98,172,002.85 and 20,009,796.40 is: 30,014,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,001.90 : 98,172,002.85 = 20,009,796.40 : x
  2. Step 2: Convert to fraction form
    65,448,001.90/98,172,002.85 = 20,009,796.40/x
  3. Step 3: Cross multiply
    65,448,001.90x = 98,172,002.85 × 20,009,796.40
  4. Step 4: Simplify right side
    65,448,001.90x = 1,964,401,789,208,719.50
  5. Step 5: Solve for x
    x = 1,964,401,789,208,719.50/65,448,001.90
  6. Step 6: Final answer
    x = 30,014,694.60

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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.