Home / 66,449,142.40-99,673,713.60-49,443,030.40

Finding the Fourth Proportional to 66,449,142.40, 99,673,713.60 and 49,443,030.40

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Solution

The fourth proportional to 66,449,142.40, 99,673,713.60 and 49,443,030.40 is: 74,164,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449,142.40 : 99,673,713.60 = 49,443,030.40 : x
  2. Step 2: Convert to fraction form
    66,449,142.40/99,673,713.60 = 49,443,030.40/x
  3. Step 3: Cross multiply
    66,449,142.40x = 99,673,713.60 × 49,443,030.40
  4. Step 4: Simplify right side
    66,449,142.40x = 4,928,170,451,605,693
  5. Step 5: Solve for x
    x = 4,928,170,451,605,693/66,449,142.40
  6. Step 6: Final answer
    x = 74,164,545.60

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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.