Home / 255,136,318.50-382,760,291.82-82,630,569.90

Finding the Fourth Proportional to 255,136,318.50, 382,760,291.82 and 82,630,569.90

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Solution

The fourth proportional to 255,136,318.50, 382,760,291.82 and 82,630,569.90 is: 123,963,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,136,318.50 : 382,760,291.82 = 82,630,569.90 : x
  2. Step 2: Convert to fraction form
    255,136,318.50/382,760,291.82 = 82,630,569.90/x
  3. Step 3: Cross multiply
    255,136,318.50x = 382,760,291.82 × 82,630,569.90
  4. Step 4: Simplify right side
    255,136,318.50x = 31,627,701,048,176,908
  5. Step 5: Solve for x
    x = 31,627,701,048,176,908/255,136,318.50
  6. Step 6: Final answer
    x = 123,963,931.26

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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.