Home / 108,889,769.95-163,334,654.93-84,230,907.55

Finding the Fourth Proportional to 108,889,769.95, 163,334,654.93 and 84,230,907.55

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Solution

The fourth proportional to 108,889,769.95, 163,334,654.93 and 84,230,907.55 is: 126,346,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,769.95 : 163,334,654.93 = 84,230,907.55 : x
  2. Step 2: Convert to fraction form
    108,889,769.95/163,334,654.93 = 84,230,907.55/x
  3. Step 3: Cross multiply
    108,889,769.95x = 163,334,654.93 × 84,230,907.55
  4. Step 4: Simplify right side
    108,889,769.95x = 13,757,826,219,119,982
  5. Step 5: Solve for x
    x = 13,757,826,219,119,982/108,889,769.95
  6. Step 6: Final answer
    x = 126,346,361.33

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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.