Home / 65,518,015.74-90,417,596.31-36,151,253.34

Finding the Fourth Proportional to 65,518,015.74, 90,417,596.31 and 36,151,253.34

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Solution

The fourth proportional to 65,518,015.74, 90,417,596.31 and 36,151,253.34 is: 49,890,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,518,015.74 : 90,417,596.31 = 36,151,253.34 : x
  2. Step 2: Convert to fraction form
    65,518,015.74/90,417,596.31 = 36,151,253.34/x
  3. Step 3: Cross multiply
    65,518,015.74x = 90,417,596.31 × 36,151,253.34
  4. Step 4: Simplify right side
    65,518,015.74x = 3,268,709,430,596,659.50
  5. Step 5: Solve for x
    x = 3,268,709,430,596,659.50/65,518,015.74
  6. Step 6: Final answer
    x = 49,890,238.49

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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.