Home / 64,158,854.77-96,199,849.02-20,420,720.54

Finding the Fourth Proportional to 64,158,854.77, 96,199,849.02 and 20,420,720.54

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Solution

The fourth proportional to 64,158,854.77, 96,199,849.02 and 20,420,720.54 is: 30,618,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,854.77 : 96,199,849.02 = 20,420,720.54 : x
  2. Step 2: Convert to fraction form
    64,158,854.77/96,199,849.02 = 20,420,720.54/x
  3. Step 3: Cross multiply
    64,158,854.77x = 96,199,849.02 × 20,420,720.54
  4. Step 4: Simplify right side
    64,158,854.77x = 1,964,470,232,783,941
  5. Step 5: Solve for x
    x = 1,964,470,232,783,941/64,158,854.77
  6. Step 6: Final answer
    x = 30,618,848.17

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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.