Home / 99,804,948.10-149,483,473.35-81,889,044.10

Finding the Fourth Proportional to 99,804,948.10, 149,483,473.35 and 81,889,044.10

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Solution

The fourth proportional to 99,804,948.10, 149,483,473.35 and 81,889,044.10 is: 122,649,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,948.10 : 149,483,473.35 = 81,889,044.10 : x
  2. Step 2: Convert to fraction form
    99,804,948.10/149,483,473.35 = 81,889,044.10/x
  3. Step 3: Cross multiply
    99,804,948.10x = 149,483,473.35 × 81,889,044.10
  4. Step 4: Simplify right side
    99,804,948.10x = 12,241,058,741,379,324
  5. Step 5: Solve for x
    x = 12,241,058,741,379,324/99,804,948.10
  6. Step 6: Final answer
    x = 122,649,818.21

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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.