Home / 66,571,438.40-99,707,858.40-54,627,502.40

Finding the Fourth Proportional to 66,571,438.40, 99,707,858.40 and 54,627,502.40

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Solution

The fourth proportional to 66,571,438.40, 99,707,858.40 and 54,627,502.40 is: 81,818,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,571,438.40 : 99,707,858.40 = 54,627,502.40 : x
  2. Step 2: Convert to fraction form
    66,571,438.40/99,707,858.40 = 54,627,502.40/x
  3. Step 3: Cross multiply
    66,571,438.40x = 99,707,858.40 × 54,627,502.40
  4. Step 4: Simplify right side
    66,571,438.40x = 5,446,791,274,044,860
  5. Step 5: Solve for x
    x = 5,446,791,274,044,860/66,571,438.40
  6. Step 6: Final answer
    x = 81,818,740.96

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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.