Home / 80,178,565.02-110,646,419.75-43,509,136.02

Finding the Fourth Proportional to 80,178,565.02, 110,646,419.75 and 43,509,136.02

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Solution

The fourth proportional to 80,178,565.02, 110,646,419.75 and 43,509,136.02 is: 60,042,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,565.02 : 110,646,419.75 = 43,509,136.02 : x
  2. Step 2: Convert to fraction form
    80,178,565.02/110,646,419.75 = 43,509,136.02/x
  3. Step 3: Cross multiply
    80,178,565.02x = 110,646,419.75 × 43,509,136.02
  4. Step 4: Simplify right side
    80,178,565.02x = 4,814,130,127,028,765
  5. Step 5: Solve for x
    x = 4,814,130,127,028,765/80,178,565.02
  6. Step 6: Final answer
    x = 60,042,607.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.