Home / 99,464,310.30-149,216,643.45-31,291,146.30

Finding the Fourth Proportional to 99,464,310.30, 149,216,643.45 and 31,291,146.30

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Solution

The fourth proportional to 99,464,310.30, 149,216,643.45 and 31,291,146.30 is: 46,943,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,464,310.30 : 149,216,643.45 = 31,291,146.30 : x
  2. Step 2: Convert to fraction form
    99,464,310.30/149,216,643.45 = 31,291,146.30/x
  3. Step 3: Cross multiply
    99,464,310.30x = 149,216,643.45 × 31,291,146.30
  4. Step 4: Simplify right side
    99,464,310.30x = 4,669,159,820,588,886
  5. Step 5: Solve for x
    x = 4,669,159,820,588,886/99,464,310.30
  6. Step 6: Final answer
    x = 46,943,067.38

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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.