Home / 249,696,022.30-374,544,033.45-128,763,670.30

Finding the Fourth Proportional to 249,696,022.30, 374,544,033.45 and 128,763,670.30

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Solution

The fourth proportional to 249,696,022.30, 374,544,033.45 and 128,763,670.30 is: 193,145,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,696,022.30 : 374,544,033.45 = 128,763,670.30 : x
  2. Step 2: Convert to fraction form
    249,696,022.30/374,544,033.45 = 128,763,670.30/x
  3. Step 3: Cross multiply
    249,696,022.30x = 374,544,033.45 × 128,763,670.30
  4. Step 4: Simplify right side
    249,696,022.30x = 48,227,664,435,987,968
  5. Step 5: Solve for x
    x = 48,227,664,435,987,968/249,696,022.30
  6. Step 6: Final answer
    x = 193,145,505.45

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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.