Home / 137,308,748.25-189,305,764.96-99,085,802.08

Finding the Fourth Proportional to 137,308,748.25, 189,305,764.96 and 99,085,802.08

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Solution

The fourth proportional to 137,308,748.25, 189,305,764.96 and 99,085,802.08 is: 136,608,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,308,748.25 : 189,305,764.96 = 99,085,802.08 : x
  2. Step 2: Convert to fraction form
    137,308,748.25/189,305,764.96 = 99,085,802.08/x
  3. Step 3: Cross multiply
    137,308,748.25x = 189,305,764.96 × 99,085,802.08
  4. Step 4: Simplify right side
    137,308,748.25x = 18,757,513,559,429,560
  5. Step 5: Solve for x
    x = 18,757,513,559,429,560/137,308,748.25
  6. Step 6: Final answer
    x = 136,608,291.89

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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.