Home / 248,044,128.50-342,333,492.21-142,238,949.30

Finding the Fourth Proportional to 248,044,128.50, 342,333,492.21 and 142,238,949.30

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Solution

The fourth proportional to 248,044,128.50, 342,333,492.21 and 142,238,949.30 is: 196,308,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,044,128.50 : 342,333,492.21 = 142,238,949.30 : x
  2. Step 2: Convert to fraction form
    248,044,128.50/342,333,492.21 = 142,238,949.30/x
  3. Step 3: Cross multiply
    248,044,128.50x = 342,333,492.21 × 142,238,949.30
  4. Step 4: Simplify right side
    248,044,128.50x = 48,693,156,242,150,136
  5. Step 5: Solve for x
    x = 48,693,156,242,150,136/248,044,128.50
  6. Step 6: Final answer
    x = 196,308,441.31

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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.