Home / 122,493,661.70-183,740,492.55-105,865,463.30

Finding the Fourth Proportional to 122,493,661.70, 183,740,492.55 and 105,865,463.30

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Solution

The fourth proportional to 122,493,661.70, 183,740,492.55 and 105,865,463.30 is: 158,798,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493,661.70 : 183,740,492.55 = 105,865,463.30 : x
  2. Step 2: Convert to fraction form
    122,493,661.70/183,740,492.55 = 105,865,463.30/x
  3. Step 3: Cross multiply
    122,493,661.70x = 183,740,492.55 × 105,865,463.30
  4. Step 4: Simplify right side
    122,493,661.70x = 19,451,772,370,775,948
  5. Step 5: Solve for x
    x = 19,451,772,370,775,948/122,493,661.70
  6. Step 6: Final answer
    x = 158,798,194.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.