Home / 190,052,871.20-262,272,962.28-103,132,743.20

Finding the Fourth Proportional to 190,052,871.20, 262,272,962.28 and 103,132,743.20

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Solution

The fourth proportional to 190,052,871.20, 262,272,962.28 and 103,132,743.20 is: 142,323,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,052,871.20 : 262,272,962.28 = 103,132,743.20 : x
  2. Step 2: Convert to fraction form
    190,052,871.20/262,272,962.28 = 103,132,743.20/x
  3. Step 3: Cross multiply
    190,052,871.20x = 262,272,962.28 × 103,132,743.20
  4. Step 4: Simplify right side
    190,052,871.20x = 27,048,930,067,126,528
  5. Step 5: Solve for x
    x = 27,048,930,067,126,528/190,052,871.20
  6. Step 6: Final answer
    x = 142,323,185.63

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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.