Home / 142,113,817.92-213,282,334.96-73,023,830.72

Finding the Fourth Proportional to 142,113,817.92, 213,282,334.96 and 73,023,830.72

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Solution

The fourth proportional to 142,113,817.92, 213,282,334.96 and 73,023,830.72 is: 109,593,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,113,817.92 : 213,282,334.96 = 73,023,830.72 : x
  2. Step 2: Convert to fraction form
    142,113,817.92/213,282,334.96 = 73,023,830.72/x
  3. Step 3: Cross multiply
    142,113,817.92x = 213,282,334.96 × 73,023,830.72
  4. Step 4: Simplify right side
    142,113,817.92x = 15,574,693,123,685,378
  5. Step 5: Solve for x
    x = 15,574,693,123,685,378/142,113,817.92
  6. Step 6: Final answer
    x = 109,593,094.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.