Home / 125,775,575.70-188,663,363.55-87,033,526.80

Finding the Fourth Proportional to 125,775,575.70, 188,663,363.55 and 87,033,526.80

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Solution

The fourth proportional to 125,775,575.70, 188,663,363.55 and 87,033,526.80 is: 130,550,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,775,575.70 : 188,663,363.55 = 87,033,526.80 : x
  2. Step 2: Convert to fraction form
    125,775,575.70/188,663,363.55 = 87,033,526.80/x
  3. Step 3: Cross multiply
    125,775,575.70x = 188,663,363.55 × 87,033,526.80
  4. Step 4: Simplify right side
    125,775,575.70x = 16,420,037,907,707,068
  5. Step 5: Solve for x
    x = 16,420,037,907,707,068/125,775,575.70
  6. Step 6: Final answer
    x = 130,550,290.20

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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.