Home / 140,513,323.51-193,928,679.25-80,963,218.71

Finding the Fourth Proportional to 140,513,323.51, 193,928,679.25 and 80,963,218.71

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Solution

The fourth proportional to 140,513,323.51, 193,928,679.25 and 80,963,218.71 is: 111,740,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,513,323.51 : 193,928,679.25 = 80,963,218.71 : x
  2. Step 2: Convert to fraction form
    140,513,323.51/193,928,679.25 = 80,963,218.71/x
  3. Step 3: Cross multiply
    140,513,323.51x = 193,928,679.25 × 80,963,218.71
  4. Step 4: Simplify right side
    140,513,323.51x = 15,701,090,071,289,546
  5. Step 5: Solve for x
    x = 15,701,090,071,289,546/140,513,323.51
  6. Step 6: Final answer
    x = 111,740,934.45

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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.