Home / 189,038,542.40-283,445,839.20-98,339,278.40

Finding the Fourth Proportional to 189,038,542.40, 283,445,839.20 and 98,339,278.40

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Solution

The fourth proportional to 189,038,542.40, 283,445,839.20 and 98,339,278.40 is: 147,450,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,038,542.40 : 283,445,839.20 = 98,339,278.40 : x
  2. Step 2: Convert to fraction form
    189,038,542.40/283,445,839.20 = 98,339,278.40/x
  3. Step 3: Cross multiply
    189,038,542.40x = 283,445,839.20 × 98,339,278.40
  4. Step 4: Simplify right side
    189,038,542.40x = 27,873,859,292,410,432
  5. Step 5: Solve for x
    x = 27,873,859,292,410,432/189,038,542.40
  6. Step 6: Final answer
    x = 147,450,667.67

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Why These Related Problems?

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