Home / 101,100,370,769.55-139,451,332,769.96-65,017,023,041.07

Finding the Fourth Proportional to 101,100,370,769.55, 139,451,332,769.96 and 65,017,023,041.07

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Solution

The fourth proportional to 101,100,370,769.55, 139,451,332,769.96 and 65,017,023,041.07 is: 89,680,289,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,100,370,769.55 : 139,451,332,769.96 = 65,017,023,041.07 : x
  2. Step 2: Convert to fraction form
    101,100,370,769.55/139,451,332,769.96 = 65,017,023,041.07/x
  3. Step 3: Cross multiply
    101,100,370,769.55x = 139,451,332,769.96 × 65,017,023,041.07
  4. Step 4: Simplify right side
    101,100,370,769.55x = 9,066,710,515,812,408,492,032
  5. Step 5: Solve for x
    x = 9,066,710,515,812,408,492,032/101,100,370,769.55
  6. Step 6: Final answer
    x = 89,680,289,466.78

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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.