Home / 123,862,058.69-170,934,566.04-68,112,049.77

Finding the Fourth Proportional to 123,862,058.69, 170,934,566.04 and 68,112,049.77

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Solution

The fourth proportional to 123,862,058.69, 170,934,566.04 and 68,112,049.77 is: 93,997,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862,058.69 : 170,934,566.04 = 68,112,049.77 : x
  2. Step 2: Convert to fraction form
    123,862,058.69/170,934,566.04 = 68,112,049.77/x
  3. Step 3: Cross multiply
    123,862,058.69x = 170,934,566.04 × 68,112,049.77
  4. Step 4: Simplify right side
    123,862,058.69x = 11,642,703,669,529,830
  5. Step 5: Solve for x
    x = 11,642,703,669,529,830/123,862,058.69
  6. Step 6: Final answer
    x = 93,997,336.98

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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.