Home / 187,470,601.60-281,205,902.40-66,302,053.60

Finding the Fourth Proportional to 187,470,601.60, 281,205,902.40 and 66,302,053.60

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Solution

The fourth proportional to 187,470,601.60, 281,205,902.40 and 66,302,053.60 is: 99,453,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470,601.60 : 281,205,902.40 = 66,302,053.60 : x
  2. Step 2: Convert to fraction form
    187,470,601.60/281,205,902.40 = 66,302,053.60/x
  3. Step 3: Cross multiply
    187,470,601.60x = 281,205,902.40 × 66,302,053.60
  4. Step 4: Simplify right side
    187,470,601.60x = 18,644,528,813,561,168
  5. Step 5: Solve for x
    x = 18,644,528,813,561,168/187,470,601.60
  6. Step 6: Final answer
    x = 99,453,080.40

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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.