Home / 118,355,758.73-163,335,991.22-66,144,792.85

Finding the Fourth Proportional to 118,355,758.73, 163,335,991.22 and 66,144,792.85

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Solution

The fourth proportional to 118,355,758.73, 163,335,991.22 and 66,144,792.85 is: 91,282,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,758.73 : 163,335,991.22 = 66,144,792.85 : x
  2. Step 2: Convert to fraction form
    118,355,758.73/163,335,991.22 = 66,144,792.85/x
  3. Step 3: Cross multiply
    118,355,758.73x = 163,335,991.22 × 66,144,792.85
  4. Step 4: Simplify right side
    118,355,758.73x = 10,803,825,303,457,254
  5. Step 5: Solve for x
    x = 10,803,825,303,457,254/118,355,758.73
  6. Step 6: Final answer
    x = 91,282,633.14

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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.