Home / 119,428,105,906.15-164,809,672,316.60-65,234,633,800.67

Finding the Fourth Proportional to 119,428,105,906.15, 164,809,672,316.60 and 65,234,633,800.67

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Solution

The fourth proportional to 119,428,105,906.15, 164,809,672,316.60 and 65,234,633,800.67 is: 90,023,186,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,428,105,906.15 : 164,809,672,316.60 = 65,234,633,800.67 : x
  2. Step 2: Convert to fraction form
    119,428,105,906.15/164,809,672,316.60 = 65,234,633,800.67/x
  3. Step 3: Cross multiply
    119,428,105,906.15x = 164,809,672,316.60 × 65,234,633,800.67
  4. Step 4: Simplify right side
    119,428,105,906.15x = 10,751,298,620,381,657,563,136
  5. Step 5: Solve for x
    x = 10,751,298,620,381,657,563,136/119,428,105,906.15
  6. Step 6: Final answer
    x = 90,023,186,240.85

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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.