Home / 99,174,668.80-148,762,003.20-74,988,198.40

Finding the Fourth Proportional to 99,174,668.80, 148,762,003.20 and 74,988,198.40

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Solution

The fourth proportional to 99,174,668.80, 148,762,003.20 and 74,988,198.40 is: 112,482,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,174,668.80 : 148,762,003.20 = 74,988,198.40 : x
  2. Step 2: Convert to fraction form
    99,174,668.80/148,762,003.20 = 74,988,198.40/x
  3. Step 3: Cross multiply
    99,174,668.80x = 148,762,003.20 × 74,988,198.40
  4. Step 4: Simplify right side
    99,174,668.80x = 11,155,394,610,343,034
  5. Step 5: Solve for x
    x = 11,155,394,610,343,034/99,174,668.80
  6. Step 6: Final answer
    x = 112,482,297.60

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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.