Home / 153,184,868.70-211,394,787.03-83,570,292.06

Finding the Fourth Proportional to 153,184,868.70, 211,394,787.03 and 83,570,292.06

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Solution

The fourth proportional to 153,184,868.70, 211,394,787.03 and 83,570,292.06 is: 115,326,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,184,868.70 : 211,394,787.03 = 83,570,292.06 : x
  2. Step 2: Convert to fraction form
    153,184,868.70/211,394,787.03 = 83,570,292.06/x
  3. Step 3: Cross multiply
    153,184,868.70x = 211,394,787.03 × 83,570,292.06
  4. Step 4: Simplify right side
    153,184,868.70x = 17,666,324,092,058,600
  5. Step 5: Solve for x
    x = 17,666,324,092,058,600/153,184,868.70
  6. Step 6: Final answer
    x = 115,326,822.04

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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.