Home / 72,183,865.40-108,275,798.10-43,486,051.40

Finding the Fourth Proportional to 72,183,865.40, 108,275,798.10 and 43,486,051.40

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Solution

The fourth proportional to 72,183,865.40, 108,275,798.10 and 43,486,051.40 is: 65,229,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,865.40 : 108,275,798.10 = 43,486,051.40 : x
  2. Step 2: Convert to fraction form
    72,183,865.40/108,275,798.10 = 43,486,051.40/x
  3. Step 3: Cross multiply
    72,183,865.40x = 108,275,798.10 × 43,486,051.40
  4. Step 4: Simplify right side
    72,183,865.40x = 4,708,486,921,552,622
  5. Step 5: Solve for x
    x = 4,708,486,921,552,622/72,183,865.40
  6. Step 6: Final answer
    x = 65,229,077.10

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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.