Home / 97,019,355,515.40-145,398,949,760.13-75,507,894,401.70

Finding the Fourth Proportional to 97,019,355,515.40, 145,398,949,760.13 and 75,507,894,401.70

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Solution

The fourth proportional to 97,019,355,515.40, 145,398,949,760.13 and 75,507,894,401.70 is: 113,160,600,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,355,515.40 : 145,398,949,760.13 = 75,507,894,401.70 : x
  2. Step 2: Convert to fraction form
    97,019,355,515.40/145,398,949,760.13 = 75,507,894,401.70/x
  3. Step 3: Cross multiply
    97,019,355,515.40x = 145,398,949,760.13 × 75,507,894,401.70
  4. Step 4: Simplify right side
    97,019,355,515.40x = 10,978,768,544,605,979,803,648
  5. Step 5: Solve for x
    x = 10,978,768,544,605,979,803,648/97,019,355,515.40
  6. Step 6: Final answer
    x = 113,160,600,648.02

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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.