Home / 149,782,421.40-224,673,632.10-122,572,642.20

Finding the Fourth Proportional to 149,782,421.40, 224,673,632.10 and 122,572,642.20

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Solution

The fourth proportional to 149,782,421.40, 224,673,632.10 and 122,572,642.20 is: 183,858,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,782,421.40 : 224,673,632.10 = 122,572,642.20 : x
  2. Step 2: Convert to fraction form
    149,782,421.40/224,673,632.10 = 122,572,642.20/x
  3. Step 3: Cross multiply
    149,782,421.40x = 224,673,632.10 × 122,572,642.20
  4. Step 4: Simplify right side
    149,782,421.40x = 27,538,840,719,167,736
  5. Step 5: Solve for x
    x = 27,538,840,719,167,736/149,782,421.40
  6. Step 6: Final answer
    x = 183,858,963.30

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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.