Home / 255,461,256.99-352,536,675.45-137,986,586.73

Finding the Fourth Proportional to 255,461,256.99, 352,536,675.45 and 137,986,586.73

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Solution

The fourth proportional to 255,461,256.99, 352,536,675.45 and 137,986,586.73 is: 190,421,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,461,256.99 : 352,536,675.45 = 137,986,586.73 : x
  2. Step 2: Convert to fraction form
    255,461,256.99/352,536,675.45 = 137,986,586.73/x
  3. Step 3: Cross multiply
    255,461,256.99x = 352,536,675.45 × 137,986,586.73
  4. Step 4: Simplify right side
    255,461,256.99x = 48,645,332,542,487,280
  5. Step 5: Solve for x
    x = 48,645,332,542,487,280/255,461,256.99
  6. Step 6: Final answer
    x = 190,421,565.74

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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.