Home / 123,648,849.01-185,473,913.27-72,494,995.55

Finding the Fourth Proportional to 123,648,849.01, 185,473,913.27 and 72,494,995.55

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Solution

The fourth proportional to 123,648,849.01, 185,473,913.27 and 72,494,995.55 is: 108,742,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,648,849.01 : 185,473,913.27 = 72,494,995.55 : x
  2. Step 2: Convert to fraction form
    123,648,849.01/185,473,913.27 = 72,494,995.55/x
  3. Step 3: Cross multiply
    123,648,849.01x = 185,473,913.27 × 72,494,995.55
  4. Step 4: Simplify right side
    123,648,849.01x = 13,445,930,516,787,260
  5. Step 5: Solve for x
    x = 13,445,930,516,787,260/123,648,849.01
  6. Step 6: Final answer
    x = 108,742,868.41

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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.