Home / 137,661,715.35-206,499,434.51-39,308,009.45

Finding the Fourth Proportional to 137,661,715.35, 206,499,434.51 and 39,308,009.45

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Solution

The fourth proportional to 137,661,715.35, 206,499,434.51 and 39,308,009.45 is: 58,963,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,661,715.35 : 206,499,434.51 = 39,308,009.45 : x
  2. Step 2: Convert to fraction form
    137,661,715.35/206,499,434.51 = 39,308,009.45/x
  3. Step 3: Cross multiply
    137,661,715.35x = 206,499,434.51 × 39,308,009.45
  4. Step 4: Simplify right side
    137,661,715.35x = 8,117,081,722,296,885
  5. Step 5: Solve for x
    x = 8,117,081,722,296,885/137,661,715.35
  6. Step 6: Final answer
    x = 58,963,973.40

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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.