Home / 236,631,149.05-354,953,954.65-81,182,776.51

Finding the Fourth Proportional to 236,631,149.05, 354,953,954.65 and 81,182,776.51

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Solution

The fourth proportional to 236,631,149.05, 354,953,954.65 and 81,182,776.51 is: 121,776,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631,149.05 : 354,953,954.65 = 81,182,776.51 : x
  2. Step 2: Convert to fraction form
    236,631,149.05/354,953,954.65 = 81,182,776.51/x
  3. Step 3: Cross multiply
    236,631,149.05x = 354,953,954.65 × 81,182,776.51
  4. Step 4: Simplify right side
    236,631,149.05x = 28,816,147,570,601,280
  5. Step 5: Solve for x
    x = 28,816,147,570,601,280/236,631,149.05
  6. Step 6: Final answer
    x = 121,776,645.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.