Home / 71,218,829.30-98,280,807.09-40,277,837.30

Finding the Fourth Proportional to 71,218,829.30, 98,280,807.09 and 40,277,837.30

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Solution

The fourth proportional to 71,218,829.30, 98,280,807.09 and 40,277,837.30 is: 55,582,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218,829.30 : 98,280,807.09 = 40,277,837.30 : x
  2. Step 2: Convert to fraction form
    71,218,829.30/98,280,807.09 = 40,277,837.30/x
  3. Step 3: Cross multiply
    71,218,829.30x = 98,280,807.09 × 40,277,837.30
  4. Step 4: Simplify right side
    71,218,829.30x = 3,958,538,357,683,706.50
  5. Step 5: Solve for x
    x = 3,958,538,357,683,706.50/71,218,829.30
  6. Step 6: Final answer
    x = 55,582,749.63

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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.