Home / 228,058,631.41-314,744,368.51-138,756,915.36

Finding the Fourth Proportional to 228,058,631.41, 314,744,368.51 and 138,756,915.36

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Solution

The fourth proportional to 228,058,631.41, 314,744,368.51 and 138,756,915.36 is: 191,498,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,058,631.41 : 314,744,368.51 = 138,756,915.36 : x
  2. Step 2: Convert to fraction form
    228,058,631.41/314,744,368.51 = 138,756,915.36/x
  3. Step 3: Cross multiply
    228,058,631.41x = 314,744,368.51 × 138,756,915.36
  4. Step 4: Simplify right side
    228,058,631.41x = 43,672,957,702,436,592
  5. Step 5: Solve for x
    x = 43,672,957,702,436,592/228,058,631.41
  6. Step 6: Final answer
    x = 191,498,815.16

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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.