Home / 99,557,615.60-149,336,423.40-31,407,196.40

Finding the Fourth Proportional to 99,557,615.60, 149,336,423.40 and 31,407,196.40

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Solution

The fourth proportional to 99,557,615.60, 149,336,423.40 and 31,407,196.40 is: 47,110,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557,615.60 : 149,336,423.40 = 31,407,196.40 : x
  2. Step 2: Convert to fraction form
    99,557,615.60/149,336,423.40 = 31,407,196.40/x
  3. Step 3: Cross multiply
    99,557,615.60x = 149,336,423.40 × 31,407,196.40
  4. Step 4: Simplify right side
    99,557,615.60x = 4,690,238,379,397,356
  5. Step 5: Solve for x
    x = 4,690,238,379,397,356/99,557,615.60
  6. Step 6: Final answer
    x = 47,110,794.60

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1.5x scale

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.