Home / 109,152,155.60-163,728,233.40-54,573,164.90

Finding the Fourth Proportional to 109,152,155.60, 163,728,233.40 and 54,573,164.90

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Solution

The fourth proportional to 109,152,155.60, 163,728,233.40 and 54,573,164.90 is: 81,859,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,152,155.60 : 163,728,233.40 = 54,573,164.90 : x
  2. Step 2: Convert to fraction form
    109,152,155.60/163,728,233.40 = 54,573,164.90/x
  3. Step 3: Cross multiply
    109,152,155.60x = 163,728,233.40 × 54,573,164.90
  4. Step 4: Simplify right side
    109,152,155.60x = 8,935,167,880,123,888
  5. Step 5: Solve for x
    x = 8,935,167,880,123,888/109,152,155.60
  6. Step 6: Final answer
    x = 81,859,747.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.