Home / 118,355,758.54-163,335,990.96-66,144,792.66

Finding the Fourth Proportional to 118,355,758.54, 163,335,990.96 and 66,144,792.66

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Solution

The fourth proportional to 118,355,758.54, 163,335,990.96 and 66,144,792.66 is: 91,282,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,758.54 : 163,335,990.96 = 66,144,792.66 : x
  2. Step 2: Convert to fraction form
    118,355,758.54/163,335,990.96 = 66,144,792.66/x
  3. Step 3: Cross multiply
    118,355,758.54x = 163,335,990.96 × 66,144,792.66
  4. Step 4: Simplify right side
    118,355,758.54x = 10,803,825,256,271,090
  5. Step 5: Solve for x
    x = 10,803,825,256,271,090/118,355,758.54
  6. Step 6: Final answer
    x = 91,282,632.88

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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.