Home / 122,318,774.52-168,799,936.50-67,314,631.02

Finding the Fourth Proportional to 122,318,774.52, 168,799,936.50 and 67,314,631.02

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Solution

The fourth proportional to 122,318,774.52, 168,799,936.50 and 67,314,631.02 is: 92,894,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318,774.52 : 168,799,936.50 = 67,314,631.02 : x
  2. Step 2: Convert to fraction form
    122,318,774.52/168,799,936.50 = 67,314,631.02/x
  3. Step 3: Cross multiply
    122,318,774.52x = 168,799,936.50 × 67,314,631.02
  4. Step 4: Simplify right side
    122,318,774.52x = 11,362,705,442,013,430
  5. Step 5: Solve for x
    x = 11,362,705,442,013,430/122,318,774.52
  6. Step 6: Final answer
    x = 92,894,206.03

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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.