Home / 134,185,603.20-201,278,404.80-85,812,662.40

Finding the Fourth Proportional to 134,185,603.20, 201,278,404.80 and 85,812,662.40

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Solution

The fourth proportional to 134,185,603.20, 201,278,404.80 and 85,812,662.40 is: 128,718,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,185,603.20 : 201,278,404.80 = 85,812,662.40 : x
  2. Step 2: Convert to fraction form
    134,185,603.20/201,278,404.80 = 85,812,662.40/x
  3. Step 3: Cross multiply
    134,185,603.20x = 201,278,404.80 × 85,812,662.40
  4. Step 4: Simplify right side
    134,185,603.20x = 17,272,235,799,512,942
  5. Step 5: Solve for x
    x = 17,272,235,799,512,942/134,185,603.20
  6. Step 6: Final answer
    x = 128,718,993.60

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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.