Home / 187,470,642.60-281,205,963.90-66,302,094.60

Finding the Fourth Proportional to 187,470,642.60, 281,205,963.90 and 66,302,094.60

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Solution

The fourth proportional to 187,470,642.60, 281,205,963.90 and 66,302,094.60 is: 99,453,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470,642.60 : 281,205,963.90 = 66,302,094.60 : x
  2. Step 2: Convert to fraction form
    187,470,642.60/281,205,963.90 = 66,302,094.60/x
  3. Step 3: Cross multiply
    187,470,642.60x = 281,205,963.90 × 66,302,094.60
  4. Step 4: Simplify right side
    187,470,642.60x = 18,644,544,420,581,984
  5. Step 5: Solve for x
    x = 18,644,544,420,581,984/187,470,642.60
  6. Step 6: Final answer
    x = 99,453,141.90

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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.