Home / 86,337,856.40-129,577,643.40-83,503,504.40

Finding the Fourth Proportional to 86,337,856.40, 129,577,643.40 and 83,503,504.40

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Solution

The fourth proportional to 86,337,856.40, 129,577,643.40 and 83,503,504.40 is: 125,323,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,337,856.40 : 129,577,643.40 = 83,503,504.40 : x
  2. Step 2: Convert to fraction form
    86,337,856.40/129,577,643.40 = 83,503,504.40/x
  3. Step 3: Cross multiply
    86,337,856.40x = 129,577,643.40 × 83,503,504.40
  4. Step 4: Simplify right side
    86,337,856.40x = 10,820,187,315,793,532
  5. Step 5: Solve for x
    x = 10,820,187,315,793,532/86,337,856.40
  6. Step 6: Final answer
    x = 125,323,789.20

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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.