Home / 88,138,299.61-121,502,662.01-61,594,241.50

Finding the Fourth Proportional to 88,138,299.61, 121,502,662.01 and 61,594,241.50

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Solution

The fourth proportional to 88,138,299.61, 121,502,662.01 and 61,594,241.50 is: 84,910,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,299.61 : 121,502,662.01 = 61,594,241.50 : x
  2. Step 2: Convert to fraction form
    88,138,299.61/121,502,662.01 = 61,594,241.50/x
  3. Step 3: Cross multiply
    88,138,299.61x = 121,502,662.01 × 61,594,241.50
  4. Step 4: Simplify right side
    88,138,299.61x = 7,483,864,307,042,679
  5. Step 5: Solve for x
    x = 7,483,864,307,042,679/88,138,299.61
  6. Step 6: Final answer
    x = 84,910,468.43

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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.