Home / 151,389,339.98-208,917,373.23-81,774,721.55

Finding the Fourth Proportional to 151,389,339.98, 208,917,373.23 and 81,774,721.55

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Solution

The fourth proportional to 151,389,339.98, 208,917,373.23 and 81,774,721.55 is: 112,849,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389,339.98 : 208,917,373.23 = 81,774,721.55 : x
  2. Step 2: Convert to fraction form
    151,389,339.98/208,917,373.23 = 81,774,721.55/x
  3. Step 3: Cross multiply
    151,389,339.98x = 208,917,373.23 × 81,774,721.55
  4. Step 4: Simplify right side
    151,389,339.98x = 17,084,160,021,796,086
  5. Step 5: Solve for x
    x = 17,084,160,021,796,086/151,389,339.98
  6. Step 6: Final answer
    x = 112,849,161.14

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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.