Home / 281,185,218.72-421,805,548.92-96,928,437.48

Finding the Fourth Proportional to 281,185,218.72, 421,805,548.92 and 96,928,437.48

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Solution

The fourth proportional to 281,185,218.72, 421,805,548.92 and 96,928,437.48 is: 145,402,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,185,218.72 : 421,805,548.92 = 96,928,437.48 : x
  2. Step 2: Convert to fraction form
    281,185,218.72/421,805,548.92 = 96,928,437.48/x
  3. Step 3: Cross multiply
    281,185,218.72x = 421,805,548.92 × 96,928,437.48
  4. Step 4: Simplify right side
    281,185,218.72x = 40,884,952,777,209,304
  5. Step 5: Solve for x
    x = 40,884,952,777,209,304/281,185,218.72
  6. Step 6: Final answer
    x = 145,402,211.98

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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.