Home / 79,028,767.22-118,542,485.81-61,771,483.74

Finding the Fourth Proportional to 79,028,767.22, 118,542,485.81 and 61,771,483.74

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Solution

The fourth proportional to 79,028,767.22, 118,542,485.81 and 61,771,483.74 is: 92,656,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,028,767.22 : 118,542,485.81 = 61,771,483.74 : x
  2. Step 2: Convert to fraction form
    79,028,767.22/118,542,485.81 = 61,771,483.74/x
  3. Step 3: Cross multiply
    79,028,767.22x = 118,542,485.81 × 61,771,483.74
  4. Step 4: Simplify right side
    79,028,767.22x = 7,322,545,234,402,739
  5. Step 5: Solve for x
    x = 7,322,545,234,402,739/79,028,767.22
  6. Step 6: Final answer
    x = 92,656,705.81

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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.