Home / 66,764,630.59-100,025,875.43-65,311,803.76

Finding the Fourth Proportional to 66,764,630.59, 100,025,875.43 and 65,311,803.76

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Solution

The fourth proportional to 66,764,630.59, 100,025,875.43 and 65,311,803.76 is: 97,849,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,764,630.59 : 100,025,875.43 = 65,311,803.76 : x
  2. Step 2: Convert to fraction form
    66,764,630.59/100,025,875.43 = 65,311,803.76/x
  3. Step 3: Cross multiply
    66,764,630.59x = 100,025,875.43 × 65,311,803.76
  4. Step 4: Simplify right side
    66,764,630.59x = 6,532,870,346,429,742
  5. Step 5: Solve for x
    x = 6,532,870,346,429,742/66,764,630.59
  6. Step 6: Final answer
    x = 97,849,269.72

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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.