Home / 72,310,691.12-108,470,140.06-23,130,864.21

Finding the Fourth Proportional to 72,310,691.12, 108,470,140.06 and 23,130,864.21

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Solution

The fourth proportional to 72,310,691.12, 108,470,140.06 and 23,130,864.21 is: 34,697,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,310,691.12 : 108,470,140.06 = 23,130,864.21 : x
  2. Step 2: Convert to fraction form
    72,310,691.12/108,470,140.06 = 23,130,864.21/x
  3. Step 3: Cross multiply
    72,310,691.12x = 108,470,140.06 × 23,130,864.21
  4. Step 4: Simplify right side
    72,310,691.12x = 2,509,008,080,567,541.50
  5. Step 5: Solve for x
    x = 2,509,008,080,567,541.50/72,310,691.12
  6. Step 6: Final answer
    x = 34,697,608.91

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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.