Home / 198,971,670.17-274,581,994.13-115,389,356.93

Finding the Fourth Proportional to 198,971,670.17, 274,581,994.13 and 115,389,356.93

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Solution

The fourth proportional to 198,971,670.17, 274,581,994.13 and 115,389,356.93 is: 159,237,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,971,670.17 : 274,581,994.13 = 115,389,356.93 : x
  2. Step 2: Convert to fraction form
    198,971,670.17/274,581,994.13 = 115,389,356.93/x
  3. Step 3: Cross multiply
    198,971,670.17x = 274,581,994.13 × 115,389,356.93
  4. Step 4: Simplify right side
    198,971,670.17x = 31,683,839,726,640,792
  5. Step 5: Solve for x
    x = 31,683,839,726,640,792/198,971,670.17
  6. Step 6: Final answer
    x = 159,237,944.27

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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.