Home / 122,484,286.80-183,726,430.20-109,091,973.60

Finding the Fourth Proportional to 122,484,286.80, 183,726,430.20 and 109,091,973.60

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Solution

The fourth proportional to 122,484,286.80, 183,726,430.20 and 109,091,973.60 is: 163,637,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,484,286.80 : 183,726,430.20 = 109,091,973.60 : x
  2. Step 2: Convert to fraction form
    122,484,286.80/183,726,430.20 = 109,091,973.60/x
  3. Step 3: Cross multiply
    122,484,286.80x = 183,726,430.20 × 109,091,973.60
  4. Step 4: Simplify right side
    122,484,286.80x = 20,043,078,873,000,640
  5. Step 5: Solve for x
    x = 20,043,078,873,000,640/122,484,286.80
  6. Step 6: Final answer
    x = 163,637,960.40

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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.