Home / 122,306,928.88-168,781,426.32-66,550,468.24

Finding the Fourth Proportional to 122,306,928.88, 168,781,426.32 and 66,550,468.24

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Solution

The fourth proportional to 122,306,928.88, 168,781,426.32 and 66,550,468.24 is: 91,838,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,306,928.88 : 168,781,426.32 = 66,550,468.24 : x
  2. Step 2: Convert to fraction form
    122,306,928.88/168,781,426.32 = 66,550,468.24/x
  3. Step 3: Cross multiply
    122,306,928.88x = 168,781,426.32 × 66,550,468.24
  4. Step 4: Simplify right side
    122,306,928.88x = 11,232,482,951,811,060
  5. Step 5: Solve for x
    x = 11,232,482,951,811,060/122,306,928.88
  6. Step 6: Final answer
    x = 91,838,484.17

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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.