Home / 122,939,160.32-169,656,101.88-67,935,016.64

Finding the Fourth Proportional to 122,939,160.32, 169,656,101.88 and 67,935,016.64

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Solution

The fourth proportional to 122,939,160.32, 169,656,101.88 and 67,935,016.64 is: 93,750,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,939,160.32 : 169,656,101.88 = 67,935,016.64 : x
  2. Step 2: Convert to fraction form
    122,939,160.32/169,656,101.88 = 67,935,016.64/x
  3. Step 3: Cross multiply
    122,939,160.32x = 169,656,101.88 × 67,935,016.64
  4. Step 4: Simplify right side
    122,939,160.32x = 11,525,590,104,295,336
  5. Step 5: Solve for x
    x = 11,525,590,104,295,336/122,939,160.32
  6. Step 6: Final answer
    x = 93,750,356.47

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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.