Home / 239,354,699.16-330,295,249.36-138,875,352.36

Finding the Fourth Proportional to 239,354,699.16, 330,295,249.36 and 138,875,352.36

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Solution

The fourth proportional to 239,354,699.16, 330,295,249.36 and 138,875,352.36 is: 191,639,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,354,699.16 : 330,295,249.36 = 138,875,352.36 : x
  2. Step 2: Convert to fraction form
    239,354,699.16/330,295,249.36 = 138,875,352.36/x
  3. Step 3: Cross multiply
    239,354,699.16x = 330,295,249.36 × 138,875,352.36
  4. Step 4: Simplify right side
    239,354,699.16x = 45,869,869,137,704,072
  5. Step 5: Solve for x
    x = 45,869,869,137,704,072/239,354,699.16
  6. Step 6: Final answer
    x = 191,639,726.73

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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.