Home / 99,804,558.10-149,482,888.35-81,888,654.10

Finding the Fourth Proportional to 99,804,558.10, 149,482,888.35 and 81,888,654.10

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Solution

The fourth proportional to 99,804,558.10, 149,482,888.35 and 81,888,654.10 is: 122,649,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,558.10 : 149,482,888.35 = 81,888,654.10 : x
  2. Step 2: Convert to fraction form
    99,804,558.10/149,482,888.35 = 81,888,654.10/x
  3. Step 3: Cross multiply
    99,804,558.10x = 149,482,888.35 × 81,888,654.10
  4. Step 4: Simplify right side
    99,804,558.10x = 12,240,952,537,962,068
  5. Step 5: Solve for x
    x = 12,240,952,537,962,068/99,804,558.10
  6. Step 6: Final answer
    x = 122,649,233.37

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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.