Home / 103,068,171.92-142,237,540.80-60,674,081.79

Finding the Fourth Proportional to 103,068,171.92, 142,237,540.80 and 60,674,081.79

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Solution

The fourth proportional to 103,068,171.92, 142,237,540.80 and 60,674,081.79 is: 83,732,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,068,171.92 : 142,237,540.80 = 60,674,081.79 : x
  2. Step 2: Convert to fraction form
    103,068,171.92/142,237,540.80 = 60,674,081.79/x
  3. Step 3: Cross multiply
    103,068,171.92x = 142,237,540.80 × 60,674,081.79
  4. Step 4: Simplify right side
    103,068,171.92x = 8,630,132,183,670,293
  5. Step 5: Solve for x
    x = 8,630,132,183,670,293/103,068,171.92
  6. Step 6: Final answer
    x = 83,732,271.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.