Home / 125,775,579.70-188,663,369.55-87,033,530.80

Finding the Fourth Proportional to 125,775,579.70, 188,663,369.55 and 87,033,530.80

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Solution

The fourth proportional to 125,775,579.70, 188,663,369.55 and 87,033,530.80 is: 130,550,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,775,579.70 : 188,663,369.55 = 87,033,530.80 : x
  2. Step 2: Convert to fraction form
    125,775,579.70/188,663,369.55 = 87,033,530.80/x
  3. Step 3: Cross multiply
    125,775,579.70x = 188,663,369.55 × 87,033,530.80
  4. Step 4: Simplify right side
    125,775,579.70x = 16,420,039,184,561,708
  5. Step 5: Solve for x
    x = 16,420,039,184,561,708/125,775,579.70
  6. Step 6: Final answer
    x = 130,550,296.20

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1.5x scale

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.