Home / 80,712,011.51-111,381,530.78-44,041,950.71

Finding the Fourth Proportional to 80,712,011.51, 111,381,530.78 and 44,041,950.71

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Solution

The fourth proportional to 80,712,011.51, 111,381,530.78 and 44,041,950.71 is: 60,777,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712,011.51 : 111,381,530.78 = 44,041,950.71 : x
  2. Step 2: Convert to fraction form
    80,712,011.51/111,381,530.78 = 44,041,950.71/x
  3. Step 3: Cross multiply
    80,712,011.51x = 111,381,530.78 × 44,041,950.71
  4. Step 4: Simplify right side
    80,712,011.51x = 4,905,459,887,839,991
  5. Step 5: Solve for x
    x = 4,905,459,887,839,991/80,712,011.51
  6. Step 6: Final answer
    x = 60,777,321.69

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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.