Home / 73,919,493.96-102,009,578.76-40,878,035.52

Finding the Fourth Proportional to 73,919,493.96, 102,009,578.76 and 40,878,035.52

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Solution

The fourth proportional to 73,919,493.96, 102,009,578.76 and 40,878,035.52 is: 56,412,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,919,493.96 : 102,009,578.76 = 40,878,035.52 : x
  2. Step 2: Convert to fraction form
    73,919,493.96/102,009,578.76 = 40,878,035.52/x
  3. Step 3: Cross multiply
    73,919,493.96x = 102,009,578.76 × 40,878,035.52
  4. Step 4: Simplify right side
    73,919,493.96x = 4,169,951,183,931,518
  5. Step 5: Solve for x
    x = 4,169,951,183,931,518/73,919,493.96
  6. Step 6: Final answer
    x = 56,412,063.46

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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.