Home / 277,421,972.78-382,842,774.54-151,971,415.02

Finding the Fourth Proportional to 277,421,972.78, 382,842,774.54 and 151,971,415.02

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Solution

The fourth proportional to 277,421,972.78, 382,842,774.54 and 151,971,415.02 is: 209,720,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,421,972.78 : 382,842,774.54 = 151,971,415.02 : x
  2. Step 2: Convert to fraction form
    277,421,972.78/382,842,774.54 = 151,971,415.02/x
  3. Step 3: Cross multiply
    277,421,972.78x = 382,842,774.54 × 151,971,415.02
  4. Step 4: Simplify right side
    277,421,972.78x = 58,181,158,177,026,640
  5. Step 5: Solve for x
    x = 58,181,158,177,026,640/277,421,972.78
  6. Step 6: Final answer
    x = 209,720,800.39

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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.