Home / 72,310,690.12-108,470,138.56-23,130,863.21

Finding the Fourth Proportional to 72,310,690.12, 108,470,138.56 and 23,130,863.21

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Solution

The fourth proportional to 72,310,690.12, 108,470,138.56 and 23,130,863.21 is: 34,697,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,310,690.12 : 108,470,138.56 = 23,130,863.21 : x
  2. Step 2: Convert to fraction form
    72,310,690.12/108,470,138.56 = 23,130,863.21/x
  3. Step 3: Cross multiply
    72,310,690.12x = 108,470,138.56 × 23,130,863.21
  4. Step 4: Simplify right side
    72,310,690.12x = 2,509,007,937,744,449.50
  5. Step 5: Solve for x
    x = 2,509,007,937,744,449.50/72,310,690.12
  6. Step 6: Final answer
    x = 34,697,607.42

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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.