Home / 64,158,856.77-96,199,852.02-20,420,722.54

Finding the Fourth Proportional to 64,158,856.77, 96,199,852.02 and 20,420,722.54

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Solution

The fourth proportional to 64,158,856.77, 96,199,852.02 and 20,420,722.54 is: 30,618,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,856.77 : 96,199,852.02 = 20,420,722.54 : x
  2. Step 2: Convert to fraction form
    64,158,856.77/96,199,852.02 = 20,420,722.54/x
  3. Step 3: Cross multiply
    64,158,856.77x = 96,199,852.02 × 20,420,722.54
  4. Step 4: Simplify right side
    64,158,856.77x = 1,964,470,486,489,478.25
  5. Step 5: Solve for x
    x = 1,964,470,486,489,478.25/64,158,856.77
  6. Step 6: Final answer
    x = 30,618,851.17

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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.