Home / 122,306,936.88-168,781,437.36-66,550,476.24

Finding the Fourth Proportional to 122,306,936.88, 168,781,437.36 and 66,550,476.24

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Solution

The fourth proportional to 122,306,936.88, 168,781,437.36 and 66,550,476.24 is: 91,838,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,306,936.88 : 168,781,437.36 = 66,550,476.24 : x
  2. Step 2: Convert to fraction form
    122,306,936.88/168,781,437.36 = 66,550,476.24/x
  3. Step 3: Cross multiply
    122,306,936.88x = 168,781,437.36 × 66,550,476.24
  4. Step 4: Simplify right side
    122,306,936.88x = 11,232,485,036,779,730
  5. Step 5: Solve for x
    x = 11,232,485,036,779,730/122,306,936.88
  6. Step 6: Final answer
    x = 91,838,495.21

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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.