Home / 99,335,326.60-149,173,025.10-53,985,694.60

Finding the Fourth Proportional to 99,335,326.60, 149,173,025.10 and 53,985,694.60

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Solution

The fourth proportional to 99,335,326.60, 149,173,025.10 and 53,985,694.60 is: 81,070,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335,326.60 : 149,173,025.10 = 53,985,694.60 : x
  2. Step 2: Convert to fraction form
    99,335,326.60/149,173,025.10 = 53,985,694.60/x
  3. Step 3: Cross multiply
    99,335,326.60x = 149,173,025.10 × 53,985,694.60
  4. Step 4: Simplify right side
    99,335,326.60x = 8,053,209,375,606,734
  5. Step 5: Solve for x
    x = 8,053,209,375,606,734/99,335,326.60
  6. Step 6: Final answer
    x = 81,070,950.80

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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.