Home / 67,878,649.28-101,818,490.16-19,356,461.48

Finding the Fourth Proportional to 67,878,649.28, 101,818,490.16 and 19,356,461.48

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Solution

The fourth proportional to 67,878,649.28, 101,818,490.16 and 19,356,461.48 is: 29,034,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878,649.28 : 101,818,490.16 = 19,356,461.48 : x
  2. Step 2: Convert to fraction form
    67,878,649.28/101,818,490.16 = 19,356,461.48/x
  3. Step 3: Cross multiply
    67,878,649.28x = 101,818,490.16 × 19,356,461.48
  4. Step 4: Simplify right side
    67,878,649.28x = 1,970,845,682,733,799
  5. Step 5: Solve for x
    x = 1,970,845,682,733,799/67,878,649.28
  6. Step 6: Final answer
    x = 29,034,839.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.