Home / 111,219,872.40-166,829,808.60-74,845,688.40

Finding the Fourth Proportional to 111,219,872.40, 166,829,808.60 and 74,845,688.40

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Solution

The fourth proportional to 111,219,872.40, 166,829,808.60 and 74,845,688.40 is: 112,268,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,219,872.40 : 166,829,808.60 = 74,845,688.40 : x
  2. Step 2: Convert to fraction form
    111,219,872.40/166,829,808.60 = 74,845,688.40/x
  3. Step 3: Cross multiply
    111,219,872.40x = 166,829,808.60 × 74,845,688.40
  4. Step 4: Simplify right side
    111,219,872.40x = 12,486,491,870,307,240
  5. Step 5: Solve for x
    x = 12,486,491,870,307,240/111,219,872.40
  6. Step 6: Final answer
    x = 112,268,532.60

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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.