Home / 105,611,201.40-158,416,802.10-102,084,007.80

Finding the Fourth Proportional to 105,611,201.40, 158,416,802.10 and 102,084,007.80

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Solution

The fourth proportional to 105,611,201.40, 158,416,802.10 and 102,084,007.80 is: 153,126,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,611,201.40 : 158,416,802.10 = 102,084,007.80 : x
  2. Step 2: Convert to fraction form
    105,611,201.40/158,416,802.10 = 102,084,007.80/x
  3. Step 3: Cross multiply
    105,611,201.40x = 158,416,802.10 × 102,084,007.80
  4. Step 4: Simplify right side
    105,611,201.40x = 16,171,822,061,227,456
  5. Step 5: Solve for x
    x = 16,171,822,061,227,456/105,611,201.40
  6. Step 6: Final answer
    x = 153,126,011.70

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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.