Home / 374,432,868.94-561,725,905.82-128,757,597.80

Finding the Fourth Proportional to 374,432,868.94, 561,725,905.82 and 128,757,597.80

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Solution

The fourth proportional to 374,432,868.94, 561,725,905.82 and 128,757,597.80 is: 193,162,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,432,868.94 : 561,725,905.82 = 128,757,597.80 : x
  2. Step 2: Convert to fraction form
    374,432,868.94/561,725,905.82 = 128,757,597.80/x
  3. Step 3: Cross multiply
    374,432,868.94x = 561,725,905.82 × 128,757,597.80
  4. Step 4: Simplify right side
    374,432,868.94x = 72,326,478,254,066,304
  5. Step 5: Solve for x
    x = 72,326,478,254,066,304/374,432,868.94
  6. Step 6: Final answer
    x = 193,162,738.25

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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.