Home / 138,401,053.02-190,987,404.93-75,675,968.46

Finding the Fourth Proportional to 138,401,053.02, 190,987,404.93 and 75,675,968.46

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Solution

The fourth proportional to 138,401,053.02, 190,987,404.93 and 75,675,968.46 is: 104,429,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,401,053.02 : 190,987,404.93 = 75,675,968.46 : x
  2. Step 2: Convert to fraction form
    138,401,053.02/190,987,404.93 = 75,675,968.46/x
  3. Step 3: Cross multiply
    138,401,053.02x = 190,987,404.93 × 75,675,968.46
  4. Step 4: Simplify right side
    138,401,053.02x = 14,453,156,831,739,928
  5. Step 5: Solve for x
    x = 14,453,156,831,739,928/138,401,053.02
  6. Step 6: Final answer
    x = 104,429,529.37

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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.