Home / 100,308,732.40-150,463,098.60-72,957,235.60

Finding the Fourth Proportional to 100,308,732.40, 150,463,098.60 and 72,957,235.60

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Solution

The fourth proportional to 100,308,732.40, 150,463,098.60 and 72,957,235.60 is: 109,435,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,308,732.40 : 150,463,098.60 = 72,957,235.60 : x
  2. Step 2: Convert to fraction form
    100,308,732.40/150,463,098.60 = 72,957,235.60/x
  3. Step 3: Cross multiply
    100,308,732.40x = 150,463,098.60 × 72,957,235.60
  4. Step 4: Simplify right side
    100,308,732.40x = 10,977,371,733,666,228
  5. Step 5: Solve for x
    x = 10,977,371,733,666,228/100,308,732.40
  6. Step 6: Final answer
    x = 109,435,853.40

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1.5x scale

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.