Home / 72,577,690.20-108,740,564.10-47,005,536.60

Finding the Fourth Proportional to 72,577,690.20, 108,740,564.10 and 47,005,536.60

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Solution

The fourth proportional to 72,577,690.20, 108,740,564.10 and 47,005,536.60 is: 70,426,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577,690.20 : 108,740,564.10 = 47,005,536.60 : x
  2. Step 2: Convert to fraction form
    72,577,690.20/108,740,564.10 = 47,005,536.60/x
  3. Step 3: Cross multiply
    72,577,690.20x = 108,740,564.10 × 47,005,536.60
  4. Step 4: Simplify right side
    72,577,690.20x = 5,111,408,565,707,196
  5. Step 5: Solve for x
    x = 5,111,408,565,707,196/72,577,690.20
  6. Step 6: Final answer
    x = 70,426,718.62

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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.