Home / 80,743,988.50-111,425,282.22-45,935,936.98

Finding the Fourth Proportional to 80,743,988.50, 111,425,282.22 and 45,935,936.98

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Solution

The fourth proportional to 80,743,988.50, 111,425,282.22 and 45,935,936.98 is: 63,390,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,988.50 : 111,425,282.22 = 45,935,936.98 : x
  2. Step 2: Convert to fraction form
    80,743,988.50/111,425,282.22 = 45,935,936.98/x
  3. Step 3: Cross multiply
    80,743,988.50x = 111,425,282.22 × 45,935,936.98
  4. Step 4: Simplify right side
    80,743,988.50x = 5,118,424,742,036,634
  5. Step 5: Solve for x
    x = 5,118,424,742,036,634/80,743,988.50
  6. Step 6: Final answer
    x = 63,390,784.10

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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.