Home / 99,804,578.10-149,482,918.35-81,888,674.10

Finding the Fourth Proportional to 99,804,578.10, 149,482,918.35 and 81,888,674.10

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Solution

The fourth proportional to 99,804,578.10, 149,482,918.35 and 81,888,674.10 is: 122,649,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,578.10 : 149,482,918.35 = 81,888,674.10 : x
  2. Step 2: Convert to fraction form
    99,804,578.10/149,482,918.35 = 81,888,674.10/x
  3. Step 3: Cross multiply
    99,804,578.10x = 149,482,918.35 × 81,888,674.10
  4. Step 4: Simplify right side
    99,804,578.10x = 12,240,957,984,280,058
  5. Step 5: Solve for x
    x = 12,240,957,984,280,058/99,804,578.10
  6. Step 6: Final answer
    x = 122,649,263.36

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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.