Home / 101,340,348,972.48-139,840,438,002.04-60,133,627,178.75

Finding the Fourth Proportional to 101,340,348,972.48, 139,840,438,002.04 and 60,133,627,178.75

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Solution

The fourth proportional to 101,340,348,972.48, 139,840,438,002.04 and 60,133,627,178.75 is: 82,978,920,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,340,348,972.48 : 139,840,438,002.04 = 60,133,627,178.75 : x
  2. Step 2: Convert to fraction form
    101,340,348,972.48/139,840,438,002.04 = 60,133,627,178.75/x
  3. Step 3: Cross multiply
    101,340,348,972.48x = 139,840,438,002.04 × 60,133,627,178.75
  4. Step 4: Simplify right side
    101,340,348,972.48x = 8,409,112,763,327,777,341,440
  5. Step 5: Solve for x
    x = 8,409,112,763,327,777,341,440/101,340,348,972.48
  6. Step 6: Final answer
    x = 82,978,920,524.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.