Home / 71,646,628-98,872,415.76-39,051,709.60

Finding the Fourth Proportional to 71,646,628, 98,872,415.76 and 39,051,709.60

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Solution

The fourth proportional to 71,646,628, 98,872,415.76 and 39,051,709.60 is: 53,891,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,646,628 : 98,872,415.76 = 39,051,709.60 : x
  2. Step 2: Convert to fraction form
    71,646,628/98,872,415.76 = 39,051,709.60/x
  3. Step 3: Cross multiply
    71,646,628x = 98,872,415.76 × 39,051,709.60
  4. Step 4: Simplify right side
    71,646,628x = 3,861,136,867,709,983.50
  5. Step 5: Solve for x
    x = 3,861,136,867,709,983.50/71,646,628
  6. Step 6: Final answer
    x = 53,891,396.92

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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.