Home / 243,477,303.73-364,987,337.36-81,806,176.69

Finding the Fourth Proportional to 243,477,303.73, 364,987,337.36 and 81,806,176.69

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Solution

The fourth proportional to 243,477,303.73, 364,987,337.36 and 81,806,176.69 is: 122,632,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,477,303.73 : 364,987,337.36 = 81,806,176.69 : x
  2. Step 2: Convert to fraction form
    243,477,303.73/364,987,337.36 = 81,806,176.69/x
  3. Step 3: Cross multiply
    243,477,303.73x = 364,987,337.36 × 81,806,176.69
  4. Step 4: Simplify right side
    243,477,303.73x = 29,858,218,609,275,768
  5. Step 5: Solve for x
    x = 29,858,218,609,275,768/243,477,303.73
  6. Step 6: Final answer
    x = 122,632,451.37

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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.