Home / 71,148,185.30-98,173,637.91-40,197,061.46

Finding the Fourth Proportional to 71,148,185.30, 98,173,637.91 and 40,197,061.46

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Solution

The fourth proportional to 71,148,185.30, 98,173,637.91 and 40,197,061.46 is: 55,465,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,148,185.30 : 98,173,637.91 = 40,197,061.46 : x
  2. Step 2: Convert to fraction form
    71,148,185.30/98,173,637.91 = 40,197,061.46/x
  3. Step 3: Cross multiply
    71,148,185.30x = 98,173,637.91 × 40,197,061.46
  4. Step 4: Simplify right side
    71,148,185.30x = 3,946,291,756,820,056
  5. Step 5: Solve for x
    x = 3,946,291,756,820,056/71,148,185.30
  6. Step 6: Final answer
    x = 55,465,810.41

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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.