Home / 71,457,251.60-107,185,877.40-64,867,383.20

Finding the Fourth Proportional to 71,457,251.60, 107,185,877.40 and 64,867,383.20

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Solution

The fourth proportional to 71,457,251.60, 107,185,877.40 and 64,867,383.20 is: 97,301,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,457,251.60 : 107,185,877.40 = 64,867,383.20 : x
  2. Step 2: Convert to fraction form
    71,457,251.60/107,185,877.40 = 64,867,383.20/x
  3. Step 3: Cross multiply
    71,457,251.60x = 107,185,877.40 × 64,867,383.20
  4. Step 4: Simplify right side
    71,457,251.60x = 6,952,867,382,934,020
  5. Step 5: Solve for x
    x = 6,952,867,382,934,020/71,457,251.60
  6. Step 6: Final answer
    x = 97,301,074.80

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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.