Home / 163,241,566.89-225,282,838.32-122,935,422.17

Finding the Fourth Proportional to 163,241,566.89, 225,282,838.32 and 122,935,422.17

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Solution

The fourth proportional to 163,241,566.89, 225,282,838.32 and 122,935,422.17 is: 169,658,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,241,566.89 : 225,282,838.32 = 122,935,422.17 : x
  2. Step 2: Convert to fraction form
    163,241,566.89/225,282,838.32 = 122,935,422.17/x
  3. Step 3: Cross multiply
    163,241,566.89x = 225,282,838.32 × 122,935,422.17
  4. Step 4: Simplify right side
    163,241,566.89x = 27,695,240,835,398,640
  5. Step 5: Solve for x
    x = 27,695,240,835,398,640/163,241,566.89
  6. Step 6: Final answer
    x = 169,658,018.87

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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.