Home / 230,868,381.45-318,598,673.72-125,021,979.41

Finding the Fourth Proportional to 230,868,381.45, 318,598,673.72 and 125,021,979.41

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Solution

The fourth proportional to 230,868,381.45, 318,598,673.72 and 125,021,979.41 is: 172,530,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,868,381.45 : 318,598,673.72 = 125,021,979.41 : x
  2. Step 2: Convert to fraction form
    230,868,381.45/318,598,673.72 = 125,021,979.41/x
  3. Step 3: Cross multiply
    230,868,381.45x = 318,598,673.72 × 125,021,979.41
  4. Step 4: Simplify right side
    230,868,381.45x = 39,831,836,823,657,040
  5. Step 5: Solve for x
    x = 39,831,836,823,657,040/230,868,381.45
  6. Step 6: Final answer
    x = 172,530,498.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.