Home / 99,251,344.80-148,877,017.20-73,742,176.80

Finding the Fourth Proportional to 99,251,344.80, 148,877,017.20 and 73,742,176.80

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Solution

The fourth proportional to 99,251,344.80, 148,877,017.20 and 73,742,176.80 is: 110,613,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,251,344.80 : 148,877,017.20 = 73,742,176.80 : x
  2. Step 2: Convert to fraction form
    99,251,344.80/148,877,017.20 = 73,742,176.80/x
  3. Step 3: Cross multiply
    99,251,344.80x = 148,877,017.20 × 73,742,176.80
  4. Step 4: Simplify right side
    99,251,344.80x = 10,978,515,323,819,040
  5. Step 5: Solve for x
    x = 10,978,515,323,819,040/99,251,344.80
  6. Step 6: Final answer
    x = 110,613,265.20

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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.