Home / 108,038,991.92-149,093,790.36-58,479,355.76

Finding the Fourth Proportional to 108,038,991.92, 149,093,790.36 and 58,479,355.76

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Solution

The fourth proportional to 108,038,991.92, 149,093,790.36 and 58,479,355.76 is: 80,701,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,038,991.92 : 149,093,790.36 = 58,479,355.76 : x
  2. Step 2: Convert to fraction form
    108,038,991.92/149,093,790.36 = 58,479,355.76/x
  3. Step 3: Cross multiply
    108,038,991.92x = 149,093,790.36 × 58,479,355.76
  4. Step 4: Simplify right side
    108,038,991.92x = 8,718,908,808,069,299
  5. Step 5: Solve for x
    x = 8,718,908,808,069,299/108,038,991.92
  6. Step 6: Final answer
    x = 80,701,500.94

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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.