Home / 117,046,311.92-161,394,498.06-74,592,652.63

Finding the Fourth Proportional to 117,046,311.92, 161,394,498.06 and 74,592,652.63

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Solution

The fourth proportional to 117,046,311.92, 161,394,498.06 and 74,592,652.63 is: 102,855,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,046,311.92 : 161,394,498.06 = 74,592,652.63 : x
  2. Step 2: Convert to fraction form
    117,046,311.92/161,394,498.06 = 74,592,652.63/x
  3. Step 3: Cross multiply
    117,046,311.92x = 161,394,498.06 × 74,592,652.63
  4. Step 4: Simplify right side
    117,046,311.92x = 12,038,843,730,182,788
  5. Step 5: Solve for x
    x = 12,038,843,730,182,788/117,046,311.92
  6. Step 6: Final answer
    x = 102,855,387.18

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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.