Home / 223,864,708.05-335,797,062.08-78,249,874.05

Finding the Fourth Proportional to 223,864,708.05, 335,797,062.08 and 78,249,874.05

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Solution

The fourth proportional to 223,864,708.05, 335,797,062.08 and 78,249,874.05 is: 117,374,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,864,708.05 : 335,797,062.08 = 78,249,874.05 : x
  2. Step 2: Convert to fraction form
    223,864,708.05/335,797,062.08 = 78,249,874.05/x
  3. Step 3: Cross multiply
    223,864,708.05x = 335,797,062.08 × 78,249,874.05
  4. Step 4: Simplify right side
    223,864,708.05x = 26,276,077,813,728,780
  5. Step 5: Solve for x
    x = 26,276,077,813,728,780/223,864,708.05
  6. Step 6: Final answer
    x = 117,374,811.08

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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.