Home / 55,316,561.91-76,334,854.36-30,536,216.52

Finding the Fourth Proportional to 55,316,561.91, 76,334,854.36 and 30,536,216.52

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Solution

The fourth proportional to 55,316,561.91, 76,334,854.36 and 30,536,216.52 is: 42,138,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,561.91 : 76,334,854.36 = 30,536,216.52 : x
  2. Step 2: Convert to fraction form
    55,316,561.91/76,334,854.36 = 30,536,216.52/x
  3. Step 3: Cross multiply
    55,316,561.91x = 76,334,854.36 × 30,536,216.52
  4. Step 4: Simplify right side
    55,316,561.91x = 2,330,977,640,759,626
  5. Step 5: Solve for x
    x = 2,330,977,640,759,626/55,316,561.91
  6. Step 6: Final answer
    x = 42,138,874.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.