Home / 100,239,938.40-150,359,907.60-88,296,002.40

Finding the Fourth Proportional to 100,239,938.40, 150,359,907.60 and 88,296,002.40

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Solution

The fourth proportional to 100,239,938.40, 150,359,907.60 and 88,296,002.40 is: 132,444,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,239,938.40 : 150,359,907.60 = 88,296,002.40 : x
  2. Step 2: Convert to fraction form
    100,239,938.40/150,359,907.60 = 88,296,002.40/x
  3. Step 3: Cross multiply
    100,239,938.40x = 150,359,907.60 × 88,296,002.40
  4. Step 4: Simplify right side
    100,239,938.40x = 13,276,178,762,313,378
  5. Step 5: Solve for x
    x = 13,276,178,762,313,378/100,239,938.40
  6. Step 6: Final answer
    x = 132,444,003.60

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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.