Home / 87,155,998.40-130,398,074.40-56,922,910.40

Finding the Fourth Proportional to 87,155,998.40, 130,398,074.40 and 56,922,910.40

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Solution

The fourth proportional to 87,155,998.40, 130,398,074.40 and 56,922,910.40 is: 85,164,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,155,998.40 : 130,398,074.40 = 56,922,910.40 : x
  2. Step 2: Convert to fraction form
    87,155,998.40/130,398,074.40 = 56,922,910.40/x
  3. Step 3: Cross multiply
    87,155,998.40x = 130,398,074.40 × 56,922,910.40
  4. Step 4: Simplify right side
    87,155,998.40x = 7,422,637,905,403,734
  5. Step 5: Solve for x
    x = 7,422,637,905,403,734/87,155,998.40
  6. Step 6: Final answer
    x = 85,164,969.04

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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.