Home / 122,753,129.52-169,398,485.28-67,748,985.84

Finding the Fourth Proportional to 122,753,129.52, 169,398,485.28 and 67,748,985.84

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Solution

The fourth proportional to 122,753,129.52, 169,398,485.28 and 67,748,985.84 is: 93,493,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,753,129.52 : 169,398,485.28 = 67,748,985.84 : x
  2. Step 2: Convert to fraction form
    122,753,129.52/169,398,485.28 = 67,748,985.84/x
  3. Step 3: Cross multiply
    122,753,129.52x = 169,398,485.28 × 67,748,985.84
  4. Step 4: Simplify right side
    122,753,129.52x = 11,476,575,580,552,170
  5. Step 5: Solve for x
    x = 11,476,575,580,552,170/122,753,129.52
  6. Step 6: Final answer
    x = 93,493,140.46

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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.