Home / 98,340,614.64-135,706,491-54,286,667.76

Finding the Fourth Proportional to 98,340,614.64, 135,706,491 and 54,286,667.76

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Solution

The fourth proportional to 98,340,614.64, 135,706,491 and 54,286,667.76 is: 74,913,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,614.64 : 135,706,491 = 54,286,667.76 : x
  2. Step 2: Convert to fraction form
    98,340,614.64/135,706,491 = 54,286,667.76/x
  3. Step 3: Cross multiply
    98,340,614.64x = 135,706,491 × 54,286,667.76
  4. Step 4: Simplify right side
    98,340,614.64x = 7,367,053,189,792,430
  5. Step 5: Solve for x
    x = 7,367,053,189,792,430/98,340,614.64
  6. Step 6: Final answer
    x = 74,913,637.84

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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.