Home / 151,236,188.07-208,712,380.79-84,255,108.20

Finding the Fourth Proportional to 151,236,188.07, 208,712,380.79 and 84,255,108.20

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Solution

The fourth proportional to 151,236,188.07, 208,712,380.79 and 84,255,108.20 is: 116,275,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,236,188.07 : 208,712,380.79 = 84,255,108.20 : x
  2. Step 2: Convert to fraction form
    151,236,188.07/208,712,380.79 = 84,255,108.20/x
  3. Step 3: Cross multiply
    151,236,188.07x = 208,712,380.79 × 84,255,108.20
  4. Step 4: Simplify right side
    151,236,188.07x = 17,585,084,227,264,804
  5. Step 5: Solve for x
    x = 17,585,084,227,264,804/151,236,188.07
  6. Step 6: Final answer
    x = 116,275,637.81

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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.