Home / 55,620,286.65-76,748,940.65-30,495,784.20

Finding the Fourth Proportional to 55,620,286.65, 76,748,940.65 and 30,495,784.20

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Solution

The fourth proportional to 55,620,286.65, 76,748,940.65 and 30,495,784.20 is: 42,080,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620,286.65 : 76,748,940.65 = 30,495,784.20 : x
  2. Step 2: Convert to fraction form
    55,620,286.65/76,748,940.65 = 30,495,784.20/x
  3. Step 3: Cross multiply
    55,620,286.65x = 76,748,940.65 × 30,495,784.20
  4. Step 4: Simplify right side
    55,620,286.65x = 2,340,519,131,641,008
  5. Step 5: Solve for x
    x = 2,340,519,131,641,008/55,620,286.65
  6. Step 6: Final answer
    x = 42,080,314.09

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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.