Home / 374,432,708.06-561,725,664.33-128,757,436.77

Finding the Fourth Proportional to 374,432,708.06, 561,725,664.33 and 128,757,436.77

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Solution

The fourth proportional to 374,432,708.06, 561,725,664.33 and 128,757,436.77 is: 193,162,496.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,432,708.06 : 561,725,664.33 = 128,757,436.77 : x
  2. Step 2: Convert to fraction form
    374,432,708.06/561,725,664.33 = 128,757,436.77/x
  3. Step 3: Cross multiply
    374,432,708.06x = 561,725,664.33 × 128,757,436.77
  4. Step 4: Simplify right side
    374,432,708.06x = 72,326,356,704,299,904
  5. Step 5: Solve for x
    x = 72,326,356,704,299,904/374,432,708.06
  6. Step 6: Final answer
    x = 193,162,496.62

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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.