Home / 71,157,080.84-98,196,855.56-38,562,032.84

Finding the Fourth Proportional to 71,157,080.84, 98,196,855.56 and 38,562,032.84

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Solution

The fourth proportional to 71,157,080.84, 98,196,855.56 and 38,562,032.84 is: 53,215,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157,080.84 : 98,196,855.56 = 38,562,032.84 : x
  2. Step 2: Convert to fraction form
    71,157,080.84/98,196,855.56 = 38,562,032.84/x
  3. Step 3: Cross multiply
    71,157,080.84x = 98,196,855.56 × 38,562,032.84
  4. Step 4: Simplify right side
    71,157,080.84x = 3,786,670,368,889,457
  5. Step 5: Solve for x
    x = 3,786,670,368,889,457/71,157,080.84
  6. Step 6: Final answer
    x = 53,215,650.84

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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.