Home / 99,660,076.40-149,490,114.60-54,310,444.40

Finding the Fourth Proportional to 99,660,076.40, 149,490,114.60 and 54,310,444.40

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Solution

The fourth proportional to 99,660,076.40, 149,490,114.60 and 54,310,444.40 is: 81,465,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,076.40 : 149,490,114.60 = 54,310,444.40 : x
  2. Step 2: Convert to fraction form
    99,660,076.40/149,490,114.60 = 54,310,444.40/x
  3. Step 3: Cross multiply
    99,660,076.40x = 149,490,114.60 × 54,310,444.40
  4. Step 4: Simplify right side
    99,660,076.40x = 8,118,874,557,332,928
  5. Step 5: Solve for x
    x = 8,118,874,557,332,928/99,660,076.40
  6. Step 6: Final answer
    x = 81,465,666.60

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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.