Home / 149,135,711.88-205,813,667.63-83,056,209.91

Finding the Fourth Proportional to 149,135,711.88, 205,813,667.63 and 83,056,209.91

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Solution

The fourth proportional to 149,135,711.88, 205,813,667.63 and 83,056,209.91 is: 114,621,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,135,711.88 : 205,813,667.63 = 83,056,209.91 : x
  2. Step 2: Convert to fraction form
    149,135,711.88/205,813,667.63 = 83,056,209.91/x
  3. Step 3: Cross multiply
    149,135,711.88x = 205,813,667.63 × 83,056,209.91
  4. Step 4: Simplify right side
    149,135,711.88x = 17,094,103,180,249,760
  5. Step 5: Solve for x
    x = 17,094,103,180,249,760/149,135,711.88
  6. Step 6: Final answer
    x = 114,621,125.72

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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.