Home / 96,768,001.20-145,152,001.80-54,212,199.60

Finding the Fourth Proportional to 96,768,001.20, 145,152,001.80 and 54,212,199.60

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Solution

The fourth proportional to 96,768,001.20, 145,152,001.80 and 54,212,199.60 is: 81,318,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,001.20 : 145,152,001.80 = 54,212,199.60 : x
  2. Step 2: Convert to fraction form
    96,768,001.20/145,152,001.80 = 54,212,199.60/x
  3. Step 3: Cross multiply
    96,768,001.20x = 145,152,001.80 × 54,212,199.60
  4. Step 4: Simplify right side
    96,768,001.20x = 7,869,009,293,921,160
  5. Step 5: Solve for x
    x = 7,869,009,293,921,160/96,768,001.20
  6. Step 6: Final answer
    x = 81,318,299.40

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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.