Home / 99,557,625.60-149,336,438.40-31,407,206.40

Finding the Fourth Proportional to 99,557,625.60, 149,336,438.40 and 31,407,206.40

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Solution

The fourth proportional to 99,557,625.60, 149,336,438.40 and 31,407,206.40 is: 47,110,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557,625.60 : 149,336,438.40 = 31,407,206.40 : x
  2. Step 2: Convert to fraction form
    99,557,625.60/149,336,438.40 = 31,407,206.40/x
  3. Step 3: Cross multiply
    99,557,625.60x = 149,336,438.40 × 31,407,206.40
  4. Step 4: Simplify right side
    99,557,625.60x = 4,690,240,343,869,686
  5. Step 5: Solve for x
    x = 4,690,240,343,869,686/99,557,625.60
  6. Step 6: Final answer
    x = 47,110,809.60

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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.