Home / 141,964,878.08-196,015,293.50-91,758,795.10

Finding the Fourth Proportional to 141,964,878.08, 196,015,293.50 and 91,758,795.10

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Solution

The fourth proportional to 141,964,878.08, 196,015,293.50 and 91,758,795.10 is: 126,694,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964,878.08 : 196,015,293.50 = 91,758,795.10 : x
  2. Step 2: Convert to fraction form
    141,964,878.08/196,015,293.50 = 91,758,795.10/x
  3. Step 3: Cross multiply
    141,964,878.08x = 196,015,293.50 × 91,758,795.10
  4. Step 4: Simplify right side
    141,964,878.08x = 17,986,127,151,784,030
  5. Step 5: Solve for x
    x = 17,986,127,151,784,030/141,964,878.08
  6. Step 6: Final answer
    x = 126,694,203.49

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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.