Home / 86,301,555.58-129,451,447.32-49,886,775.39

Finding the Fourth Proportional to 86,301,555.58, 129,451,447.32 and 49,886,775.39

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Solution

The fourth proportional to 86,301,555.58, 129,451,447.32 and 49,886,775.39 is: 74,829,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301,555.58 : 129,451,447.32 = 49,886,775.39 : x
  2. Step 2: Convert to fraction form
    86,301,555.58/129,451,447.32 = 49,886,775.39/x
  3. Step 3: Cross multiply
    86,301,555.58x = 129,451,447.32 × 49,886,775.39
  4. Step 4: Simplify right side
    86,301,555.58x = 6,457,915,276,363,257
  5. Step 5: Solve for x
    x = 6,457,915,276,363,257/86,301,555.58
  6. Step 6: Final answer
    x = 74,829,650.90

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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.