Home / 138,770,214.64-208,155,789.43-35,139,370.30

Finding the Fourth Proportional to 138,770,214.64, 208,155,789.43 and 35,139,370.30

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Solution

The fourth proportional to 138,770,214.64, 208,155,789.43 and 35,139,370.30 is: 52,709,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,770,214.64 : 208,155,789.43 = 35,139,370.30 : x
  2. Step 2: Convert to fraction form
    138,770,214.64/208,155,789.43 = 35,139,370.30/x
  3. Step 3: Cross multiply
    138,770,214.64x = 208,155,789.43 × 35,139,370.30
  4. Step 4: Simplify right side
    138,770,214.64x = 7,314,463,364,261,358
  5. Step 5: Solve for x
    x = 7,314,463,364,261,358/138,770,214.64
  6. Step 6: Final answer
    x = 52,709,173.82

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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.