Home / 81,479,208.96-112,439,066.88-44,809,781.76

Finding the Fourth Proportional to 81,479,208.96, 112,439,066.88 and 44,809,781.76

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Solution

The fourth proportional to 81,479,208.96, 112,439,066.88 and 44,809,781.76 is: 61,836,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,479,208.96 : 112,439,066.88 = 44,809,781.76 : x
  2. Step 2: Convert to fraction form
    81,479,208.96/112,439,066.88 = 44,809,781.76/x
  3. Step 3: Cross multiply
    81,479,208.96x = 112,439,066.88 × 44,809,781.76
  4. Step 4: Simplify right side
    81,479,208.96x = 5,038,370,048,190,844
  5. Step 5: Solve for x
    x = 5,038,370,048,190,844/81,479,208.96
  6. Step 6: Final answer
    x = 61,836,266.12

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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.