Home / 374,432,869.44-561,725,906.57-128,757,598.30

Finding the Fourth Proportional to 374,432,869.44, 561,725,906.57 and 128,757,598.30

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Solution

The fourth proportional to 374,432,869.44, 561,725,906.57 and 128,757,598.30 is: 193,162,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,432,869.44 : 561,725,906.57 = 128,757,598.30 : x
  2. Step 2: Convert to fraction form
    374,432,869.44/561,725,906.57 = 128,757,598.30/x
  3. Step 3: Cross multiply
    374,432,869.44x = 561,725,906.57 × 128,757,598.30
  4. Step 4: Simplify right side
    374,432,869.44x = 72,326,478,632,199,616
  5. Step 5: Solve for x
    x = 72,326,478,632,199,616/374,432,869.44
  6. Step 6: Final answer
    x = 193,162,739.00

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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.