Home / 66,072,603.60-91,182,778.47-45,208,396.71

Finding the Fourth Proportional to 66,072,603.60, 91,182,778.47 and 45,208,396.71

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Solution

The fourth proportional to 66,072,603.60, 91,182,778.47 and 45,208,396.71 is: 62,389,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072,603.60 : 91,182,778.47 = 45,208,396.71 : x
  2. Step 2: Convert to fraction form
    66,072,603.60/91,182,778.47 = 45,208,396.71/x
  3. Step 3: Cross multiply
    66,072,603.60x = 91,182,778.47 × 45,208,396.71
  4. Step 4: Simplify right side
    66,072,603.60x = 4,122,227,222,191,807
  5. Step 5: Solve for x
    x = 4,122,227,222,191,807/66,072,603.60
  6. Step 6: Final answer
    x = 62,389,356.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.