Home / 117,267,964.02-161,762,555.10-73,138,348.56

Finding the Fourth Proportional to 117,267,964.02, 161,762,555.10 and 73,138,348.56

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Solution

The fourth proportional to 117,267,964.02, 161,762,555.10 and 73,138,348.56 is: 100,888,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,267,964.02 : 161,762,555.10 = 73,138,348.56 : x
  2. Step 2: Convert to fraction form
    117,267,964.02/161,762,555.10 = 73,138,348.56/x
  3. Step 3: Cross multiply
    117,267,964.02x = 161,762,555.10 × 73,138,348.56
  4. Step 4: Simplify right side
    117,267,964.02x = 11,831,046,138,860,006
  5. Step 5: Solve for x
    x = 11,831,046,138,860,006/117,267,964.02
  6. Step 6: Final answer
    x = 100,888,987.35

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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.