Home / 257,007,453.20-385,547,784.71-79,759,908.44

Finding the Fourth Proportional to 257,007,453.20, 385,547,784.71 and 79,759,908.44

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Solution

The fourth proportional to 257,007,453.20, 385,547,784.71 and 79,759,908.44 is: 119,651,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,007,453.20 : 385,547,784.71 = 79,759,908.44 : x
  2. Step 2: Convert to fraction form
    257,007,453.20/385,547,784.71 = 79,759,908.44/x
  3. Step 3: Cross multiply
    257,007,453.20x = 385,547,784.71 × 79,759,908.44
  4. Step 4: Simplify right side
    257,007,453.20x = 30,751,256,005,387,892
  5. Step 5: Solve for x
    x = 30,751,256,005,387,892/257,007,453.20
  6. Step 6: Final answer
    x = 119,651,222.65

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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.