Home / 222,032,657.16-306,408,695.40-121,559,418.54

Finding the Fourth Proportional to 222,032,657.16, 306,408,695.40 and 121,559,418.54

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Solution

The fourth proportional to 222,032,657.16, 306,408,695.40 and 121,559,418.54 is: 167,753,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,032,657.16 : 306,408,695.40 = 121,559,418.54 : x
  2. Step 2: Convert to fraction form
    222,032,657.16/306,408,695.40 = 121,559,418.54/x
  3. Step 3: Cross multiply
    222,032,657.16x = 306,408,695.40 × 121,559,418.54
  4. Step 4: Simplify right side
    222,032,657.16x = 37,246,862,848,423,968
  5. Step 5: Solve for x
    x = 37,246,862,848,423,968/222,032,657.16
  6. Step 6: Final answer
    x = 167,753,984.14

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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.