Home / 64,335,869.54-88,819,958.84-49,219,678.38

Finding the Fourth Proportional to 64,335,869.54, 88,819,958.84 and 49,219,678.38

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Solution

The fourth proportional to 64,335,869.54, 88,819,958.84 and 49,219,678.38 is: 67,951,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,335,869.54 : 88,819,958.84 = 49,219,678.38 : x
  2. Step 2: Convert to fraction form
    64,335,869.54/88,819,958.84 = 49,219,678.38/x
  3. Step 3: Cross multiply
    64,335,869.54x = 88,819,958.84 × 49,219,678.38
  4. Step 4: Simplify right side
    64,335,869.54x = 4,371,689,807,829,638.50
  5. Step 5: Solve for x
    x = 4,371,689,807,829,638.50/64,335,869.54
  6. Step 6: Final answer
    x = 67,951,048.76

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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.