Home / 66,807,825.95-100,081,277.67-31,743,039.98

Finding the Fourth Proportional to 66,807,825.95, 100,081,277.67 and 31,743,039.98

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Solution

The fourth proportional to 66,807,825.95, 100,081,277.67 and 31,743,039.98 is: 47,552,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807,825.95 : 100,081,277.67 = 31,743,039.98 : x
  2. Step 2: Convert to fraction form
    66,807,825.95/100,081,277.67 = 31,743,039.98/x
  3. Step 3: Cross multiply
    66,807,825.95x = 100,081,277.67 × 31,743,039.98
  4. Step 4: Simplify right side
    66,807,825.95x = 3,176,883,997,827,885
  5. Step 5: Solve for x
    x = 3,176,883,997,827,885/66,807,825.95
  6. Step 6: Final answer
    x = 47,552,572.66

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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.