Home / 115,964,525.29-159,880,838.27-75,108,908.93

Finding the Fourth Proportional to 115,964,525.29, 159,880,838.27 and 75,108,908.93

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Solution

The fourth proportional to 115,964,525.29, 159,880,838.27 and 75,108,908.93 is: 103,553,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,964,525.29 : 159,880,838.27 = 75,108,908.93 : x
  2. Step 2: Convert to fraction form
    115,964,525.29/159,880,838.27 = 75,108,908.93/x
  3. Step 3: Cross multiply
    115,964,525.29x = 159,880,838.27 × 75,108,908.93
  4. Step 4: Simplify right side
    115,964,525.29x = 12,008,475,321,287,792
  5. Step 5: Solve for x
    x = 12,008,475,321,287,792/115,964,525.29
  6. Step 6: Final answer
    x = 103,553,007.19

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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.