Home / 95,558,155.79-142,639,622.82-81,998,438.67

Finding the Fourth Proportional to 95,558,155.79, 142,639,622.82 and 81,998,438.67

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Solution

The fourth proportional to 95,558,155.79, 142,639,622.82 and 81,998,438.67 is: 122,399,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,558,155.79 : 142,639,622.82 = 81,998,438.67 : x
  2. Step 2: Convert to fraction form
    95,558,155.79/142,639,622.82 = 81,998,438.67/x
  3. Step 3: Cross multiply
    95,558,155.79x = 142,639,622.82 × 81,998,438.67
  4. Step 4: Simplify right side
    95,558,155.79x = 11,696,226,363,717,702
  5. Step 5: Solve for x
    x = 11,696,226,363,717,702/95,558,155.79
  6. Step 6: Final answer
    x = 122,399,038.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.