Home / 272,986,670.18-409,439,642.80-100,423,127.36

Finding the Fourth Proportional to 272,986,670.18, 409,439,642.80 and 100,423,127.36

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Solution

The fourth proportional to 272,986,670.18, 409,439,642.80 and 100,423,127.36 is: 150,619,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,986,670.18 : 409,439,642.80 = 100,423,127.36 : x
  2. Step 2: Convert to fraction form
    272,986,670.18/409,439,642.80 = 100,423,127.36/x
  3. Step 3: Cross multiply
    272,986,670.18x = 409,439,642.80 × 100,423,127.36
  4. Step 4: Simplify right side
    272,986,670.18x = 41,117,209,395,137,304
  5. Step 5: Solve for x
    x = 41,117,209,395,137,304/272,986,670.18
  6. Step 6: Final answer
    x = 150,619,842.97

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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.