Home / 64,563,212.09-96,863,686.02-20,842,944.75

Finding the Fourth Proportional to 64,563,212.09, 96,863,686.02 and 20,842,944.75

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Solution

The fourth proportional to 64,563,212.09, 96,863,686.02 and 20,842,944.75 is: 31,270,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,563,212.09 : 96,863,686.02 = 20,842,944.75 : x
  2. Step 2: Convert to fraction form
    64,563,212.09/96,863,686.02 = 20,842,944.75/x
  3. Step 3: Cross multiply
    64,563,212.09x = 96,863,686.02 × 20,842,944.75
  4. Step 4: Simplify right side
    64,563,212.09x = 2,018,924,455,891,992.75
  5. Step 5: Solve for x
    x = 2,018,924,455,891,992.75/64,563,212.09
  6. Step 6: Final answer
    x = 31,270,508.25

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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.