Home / 222,032,428.76-306,408,379.23-121,559,189.72

Finding the Fourth Proportional to 222,032,428.76, 306,408,379.23 and 121,559,189.72

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Solution

The fourth proportional to 222,032,428.76, 306,408,379.23 and 121,559,189.72 is: 167,753,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,032,428.76 : 306,408,379.23 = 121,559,189.72 : x
  2. Step 2: Convert to fraction form
    222,032,428.76/306,408,379.23 = 121,559,189.72/x
  3. Step 3: Cross multiply
    222,032,428.76x = 306,408,379.23 × 121,559,189.72
  4. Step 4: Simplify right side
    222,032,428.76x = 37,246,754,302,617,280
  5. Step 5: Solve for x
    x = 37,246,754,302,617,280/222,032,428.76
  6. Step 6: Final answer
    x = 167,753,667.83

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1.5x scale

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.