Home / 76,140,231.70-114,210,347.55-40,308,423.70

Finding the Fourth Proportional to 76,140,231.70, 114,210,347.55 and 40,308,423.70

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Solution

The fourth proportional to 76,140,231.70, 114,210,347.55 and 40,308,423.70 is: 60,462,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140,231.70 : 114,210,347.55 = 40,308,423.70 : x
  2. Step 2: Convert to fraction form
    76,140,231.70/114,210,347.55 = 40,308,423.70/x
  3. Step 3: Cross multiply
    76,140,231.70x = 114,210,347.55 × 40,308,423.70
  4. Step 4: Simplify right side
    76,140,231.70x = 4,603,639,079,969,657
  5. Step 5: Solve for x
    x = 4,603,639,079,969,657/76,140,231.70
  6. Step 6: Final answer
    x = 60,462,635.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.