Home / 71,287,094.84-98,359,322.66-40,347,265

Finding the Fourth Proportional to 71,287,094.84, 98,359,322.66 and 40,347,265

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Solution

The fourth proportional to 71,287,094.84, 98,359,322.66 and 40,347,265 is: 55,669,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287,094.84 : 98,359,322.66 = 40,347,265 : x
  2. Step 2: Convert to fraction form
    71,287,094.84/98,359,322.66 = 40,347,265/x
  3. Step 3: Cross multiply
    71,287,094.84x = 98,359,322.66 × 40,347,265
  4. Step 4: Simplify right side
    71,287,094.84x = 3,968,529,656,583,525
  5. Step 5: Solve for x
    x = 3,968,529,656,583,525/71,287,094.84
  6. Step 6: Final answer
    x = 55,669,678.58

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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.