Home / 135,128,321.38-186,475,686.01-75,588,842.89

Finding the Fourth Proportional to 135,128,321.38, 186,475,686.01 and 75,588,842.89

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Solution

The fourth proportional to 135,128,321.38, 186,475,686.01 and 75,588,842.89 is: 104,311,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,128,321.38 : 186,475,686.01 = 75,588,842.89 : x
  2. Step 2: Convert to fraction form
    135,128,321.38/186,475,686.01 = 75,588,842.89/x
  3. Step 3: Cross multiply
    135,128,321.38x = 186,475,686.01 × 75,588,842.89
  4. Step 4: Simplify right side
    135,128,321.38x = 14,095,481,333,084,550
  5. Step 5: Solve for x
    x = 14,095,481,333,084,550/135,128,321.38
  6. Step 6: Final answer
    x = 104,311,821.45

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1.5x scale

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.