Home / 122,314,848-168,792,307.04-66,558,366.96

Finding the Fourth Proportional to 122,314,848, 168,792,307.04 and 66,558,366.96

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Solution

The fourth proportional to 122,314,848, 168,792,307.04 and 66,558,366.96 is: 91,849,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,314,848 : 168,792,307.04 = 66,558,366.96 : x
  2. Step 2: Convert to fraction form
    122,314,848/168,792,307.04 = 66,558,366.96/x
  3. Step 3: Cross multiply
    122,314,848x = 168,792,307.04 × 66,558,366.96
  4. Step 4: Simplify right side
    122,314,848x = 11,234,540,311,993,310
  5. Step 5: Solve for x
    x = 11,234,540,311,993,310/122,314,848
  6. Step 6: Final answer
    x = 91,849,358.40

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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.