Home / 79,685,332.61-110,016,532.13-65,035,942.74

Finding the Fourth Proportional to 79,685,332.61, 110,016,532.13 and 65,035,942.74

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Solution

The fourth proportional to 79,685,332.61, 110,016,532.13 and 65,035,942.74 is: 89,791,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,685,332.61 : 110,016,532.13 = 65,035,942.74 : x
  2. Step 2: Convert to fraction form
    79,685,332.61/110,016,532.13 = 65,035,942.74/x
  3. Step 3: Cross multiply
    79,685,332.61x = 110,016,532.13 × 65,035,942.74
  4. Step 4: Simplify right side
    79,685,332.61x = 7,155,028,883,734,871
  5. Step 5: Solve for x
    x = 7,155,028,883,734,871/79,685,332.61
  6. Step 6: Final answer
    x = 89,791,039.95

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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.