Home / 277,400,918.17-416,049,355.70-139,189,415.42

Finding the Fourth Proportional to 277,400,918.17, 416,049,355.70 and 139,189,415.42

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Solution

The fourth proportional to 277,400,918.17, 416,049,355.70 and 139,189,415.42 is: 208,758,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,400,918.17 : 416,049,355.70 = 139,189,415.42 : x
  2. Step 2: Convert to fraction form
    277,400,918.17/416,049,355.70 = 139,189,415.42/x
  3. Step 3: Cross multiply
    277,400,918.17x = 416,049,355.70 × 139,189,415.42
  4. Step 4: Simplify right side
    277,400,918.17x = 57,909,666,602,974,448
  5. Step 5: Solve for x
    x = 57,909,666,602,974,448/277,400,918.17
  6. Step 6: Final answer
    x = 208,758,020.65

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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.