Home / 86,748,552.63-119,705,378.31-49,571,455.32

Finding the Fourth Proportional to 86,748,552.63, 119,705,378.31 and 49,571,455.32

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Solution

The fourth proportional to 86,748,552.63, 119,705,378.31 and 49,571,455.32 is: 68,404,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,748,552.63 : 119,705,378.31 = 49,571,455.32 : x
  2. Step 2: Convert to fraction form
    86,748,552.63/119,705,378.31 = 49,571,455.32/x
  3. Step 3: Cross multiply
    86,748,552.63x = 119,705,378.31 × 49,571,455.32
  4. Step 4: Simplify right side
    86,748,552.63x = 5,933,969,812,457,862
  5. Step 5: Solve for x
    x = 5,933,969,812,457,862/86,748,552.63
  6. Step 6: Final answer
    x = 68,404,251.51

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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.