Home / 99,464,308.80-149,216,641.20-31,291,144.80

Finding the Fourth Proportional to 99,464,308.80, 149,216,641.20 and 31,291,144.80

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Solution

The fourth proportional to 99,464,308.80, 149,216,641.20 and 31,291,144.80 is: 46,943,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,464,308.80 : 149,216,641.20 = 31,291,144.80 : x
  2. Step 2: Convert to fraction form
    99,464,308.80/149,216,641.20 = 31,291,144.80/x
  3. Step 3: Cross multiply
    99,464,308.80x = 149,216,641.20 × 31,291,144.80
  4. Step 4: Simplify right side
    99,464,308.80x = 4,669,159,526,358,845
  5. Step 5: Solve for x
    x = 4,669,159,526,358,845/99,464,308.80
  6. Step 6: Final answer
    x = 46,943,065.13

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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.