Home / 81,478,490.46-112,438,072.47-44,809,057.50

Finding the Fourth Proportional to 81,478,490.46, 112,438,072.47 and 44,809,057.50

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Solution

The fourth proportional to 81,478,490.46, 112,438,072.47 and 44,809,057.50 is: 61,835,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,478,490.46 : 112,438,072.47 = 44,809,057.50 : x
  2. Step 2: Convert to fraction form
    81,478,490.46/112,438,072.47 = 44,809,057.50/x
  3. Step 3: Cross multiply
    81,478,490.46x = 112,438,072.47 × 44,809,057.50
  4. Step 4: Simplify right side
    81,478,490.46x = 5,038,244,054,497,397
  5. Step 5: Solve for x
    x = 5,038,244,054,497,397/81,478,490.46
  6. Step 6: Final answer
    x = 61,835,265.06

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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.