Home / 164,772,252.60-247,158,378.90-128,407,910.10

Finding the Fourth Proportional to 164,772,252.60, 247,158,378.90 and 128,407,910.10

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Solution

The fourth proportional to 164,772,252.60, 247,158,378.90 and 128,407,910.10 is: 192,611,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,772,252.60 : 247,158,378.90 = 128,407,910.10 : x
  2. Step 2: Convert to fraction form
    164,772,252.60/247,158,378.90 = 128,407,910.10/x
  3. Step 3: Cross multiply
    164,772,252.60x = 247,158,378.90 × 128,407,910.10
  4. Step 4: Simplify right side
    164,772,252.60x = 31,737,090,898,252,936
  5. Step 5: Solve for x
    x = 31,737,090,898,252,936/164,772,252.60
  6. Step 6: Final answer
    x = 192,611,865.15

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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.