Home / 99,804,550.60-149,482,877.10-81,888,646.60

Finding the Fourth Proportional to 99,804,550.60, 149,482,877.10 and 81,888,646.60

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Solution

The fourth proportional to 99,804,550.60, 149,482,877.10 and 81,888,646.60 is: 122,649,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,550.60 : 149,482,877.10 = 81,888,646.60 : x
  2. Step 2: Convert to fraction form
    99,804,550.60/149,482,877.10 = 81,888,646.60/x
  3. Step 3: Cross multiply
    99,804,550.60x = 149,482,877.10 × 81,888,646.60
  4. Step 4: Simplify right side
    99,804,550.60x = 12,240,950,495,593,132
  5. Step 5: Solve for x
    x = 12,240,950,495,593,132/99,804,550.60
  6. Step 6: Final answer
    x = 122,649,222.12

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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.