Home / 118,103,561.80-177,155,342.70-87,492,560.20

Finding the Fourth Proportional to 118,103,561.80, 177,155,342.70 and 87,492,560.20

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Solution

The fourth proportional to 118,103,561.80, 177,155,342.70 and 87,492,560.20 is: 131,238,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,103,561.80 : 177,155,342.70 = 87,492,560.20 : x
  2. Step 2: Convert to fraction form
    118,103,561.80/177,155,342.70 = 87,492,560.20/x
  3. Step 3: Cross multiply
    118,103,561.80x = 177,155,342.70 × 87,492,560.20
  4. Step 4: Simplify right side
    118,103,561.80x = 15,499,774,485,931,380
  5. Step 5: Solve for x
    x = 15,499,774,485,931,380/118,103,561.80
  6. Step 6: Final answer
    x = 131,238,840.30

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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.