Home / 139,131,001.40-208,696,502.10-88,238,636.60

Finding the Fourth Proportional to 139,131,001.40, 208,696,502.10 and 88,238,636.60

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Solution

The fourth proportional to 139,131,001.40, 208,696,502.10 and 88,238,636.60 is: 132,357,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,131,001.40 : 208,696,502.10 = 88,238,636.60 : x
  2. Step 2: Convert to fraction form
    139,131,001.40/208,696,502.10 = 88,238,636.60/x
  3. Step 3: Cross multiply
    139,131,001.40x = 208,696,502.10 × 88,238,636.60
  4. Step 4: Simplify right side
    139,131,001.40x = 18,415,094,808,493,036
  5. Step 5: Solve for x
    x = 18,415,094,808,493,036/139,131,001.40
  6. Step 6: Final answer
    x = 132,357,954.90

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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.