Home / 105,340,930.31-157,995,430.90-28,669,933.19

Finding the Fourth Proportional to 105,340,930.31, 157,995,430.90 and 28,669,933.19

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Solution

The fourth proportional to 105,340,930.31, 157,995,430.90 and 28,669,933.19 is: 43,000,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,340,930.31 : 157,995,430.90 = 28,669,933.19 : x
  2. Step 2: Convert to fraction form
    105,340,930.31/157,995,430.90 = 28,669,933.19/x
  3. Step 3: Cross multiply
    105,340,930.31x = 157,995,430.90 × 28,669,933.19
  4. Step 4: Simplify right side
    105,340,930.31x = 4,529,718,447,366,610
  5. Step 5: Solve for x
    x = 4,529,718,447,366,610/105,340,930.31
  6. Step 6: Final answer
    x = 43,000,554.81

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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.