Home / 75,638,808.69-104,429,750.78-61,733,333.15

Finding the Fourth Proportional to 75,638,808.69, 104,429,750.78 and 61,733,333.15

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Solution

The fourth proportional to 75,638,808.69, 104,429,750.78 and 61,733,333.15 is: 85,231,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638,808.69 : 104,429,750.78 = 61,733,333.15 : x
  2. Step 2: Convert to fraction form
    75,638,808.69/104,429,750.78 = 61,733,333.15/x
  3. Step 3: Cross multiply
    75,638,808.69x = 104,429,750.78 × 61,733,333.15
  4. Step 4: Simplify right side
    75,638,808.69x = 6,446,796,595,673,212
  5. Step 5: Solve for x
    x = 6,446,796,595,673,212/75,638,808.69
  6. Step 6: Final answer
    x = 85,231,334.38

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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.