Home / 118,679,020.94-163,774,881.20-65,755,535.55

Finding the Fourth Proportional to 118,679,020.94, 163,774,881.20 and 65,755,535.55

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Solution

The fourth proportional to 118,679,020.94, 163,774,881.20 and 65,755,535.55 is: 90,741,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,679,020.94 : 163,774,881.20 = 65,755,535.55 : x
  2. Step 2: Convert to fraction form
    118,679,020.94/163,774,881.20 = 65,755,535.55/x
  3. Step 3: Cross multiply
    118,679,020.94x = 163,774,881.20 × 65,755,535.55
  4. Step 4: Simplify right side
    118,679,020.94x = 10,769,105,022,614,848
  5. Step 5: Solve for x
    x = 10,769,105,022,614,848/118,679,020.94
  6. Step 6: Final answer
    x = 90,741,438.02

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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.