Home / 113,509,770.42-156,643,481.61-61,298,804.55

Finding the Fourth Proportional to 113,509,770.42, 156,643,481.61 and 61,298,804.55

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Solution

The fourth proportional to 113,509,770.42, 156,643,481.61 and 61,298,804.55 is: 84,592,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,770.42 : 156,643,481.61 = 61,298,804.55 : x
  2. Step 2: Convert to fraction form
    113,509,770.42/156,643,481.61 = 61,298,804.55/x
  3. Step 3: Cross multiply
    113,509,770.42x = 156,643,481.61 × 61,298,804.55
  4. Step 4: Simplify right side
    113,509,770.42x = 9,602,058,163,242,910
  5. Step 5: Solve for x
    x = 9,602,058,163,242,910/113,509,770.42
  6. Step 6: Final answer
    x = 84,592,349.43

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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.