Home / 76,440,465.10-105,499,822.58-45,081,960.81

Finding the Fourth Proportional to 76,440,465.10, 105,499,822.58 and 45,081,960.81

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Solution

The fourth proportional to 76,440,465.10, 105,499,822.58 and 45,081,960.81 is: 62,220,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,440,465.10 : 105,499,822.58 = 45,081,960.81 : x
  2. Step 2: Convert to fraction form
    76,440,465.10/105,499,822.58 = 45,081,960.81/x
  3. Step 3: Cross multiply
    76,440,465.10x = 105,499,822.58 × 45,081,960.81
  4. Step 4: Simplify right side
    76,440,465.10x = 4,756,138,867,013,513
  5. Step 5: Solve for x
    x = 4,756,138,867,013,513/76,440,465.10
  6. Step 6: Final answer
    x = 62,220,171.75

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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.