Home / 368,249,696.02-508,177,378.33-200,987,156.56

Finding the Fourth Proportional to 368,249,696.02, 508,177,378.33 and 200,987,156.56

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Solution

The fourth proportional to 368,249,696.02, 508,177,378.33 and 200,987,156.56 is: 277,358,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,249,696.02 : 508,177,378.33 = 200,987,156.56 : x
  2. Step 2: Convert to fraction form
    368,249,696.02/508,177,378.33 = 200,987,156.56/x
  3. Step 3: Cross multiply
    368,249,696.02x = 508,177,378.33 × 200,987,156.56
  4. Step 4: Simplify right side
    368,249,696.02x = 102,137,126,297,978,160
  5. Step 5: Solve for x
    x = 102,137,126,297,978,160/368,249,696.02
  6. Step 6: Final answer
    x = 277,358,345.17

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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.