Home / 139,599,918.70-209,431,276.92-42,565,435.06

Finding the Fourth Proportional to 139,599,918.70, 209,431,276.92 and 42,565,435.06

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Solution

The fourth proportional to 139,599,918.70, 209,431,276.92 and 42,565,435.06 is: 63,857,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,599,918.70 : 209,431,276.92 = 42,565,435.06 : x
  2. Step 2: Convert to fraction form
    139,599,918.70/209,431,276.92 = 42,565,435.06/x
  3. Step 3: Cross multiply
    139,599,918.70x = 209,431,276.92 × 42,565,435.06
  4. Step 4: Simplify right side
    139,599,918.70x = 8,914,533,417,271,137
  5. Step 5: Solve for x
    x = 8,914,533,417,271,137/139,599,918.70
  6. Step 6: Final answer
    x = 63,857,726.42

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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.