Home / 196,877,253.10-295,378,967.68-137,851,118.50

Finding the Fourth Proportional to 196,877,253.10, 295,378,967.68 and 137,851,118.50

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Solution

The fourth proportional to 196,877,253.10, 295,378,967.68 and 137,851,118.50 is: 206,820,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,877,253.10 : 295,378,967.68 = 137,851,118.50 : x
  2. Step 2: Convert to fraction form
    196,877,253.10/295,378,967.68 = 137,851,118.50/x
  3. Step 3: Cross multiply
    196,877,253.10x = 295,378,967.68 × 137,851,118.50
  4. Step 4: Simplify right side
    196,877,253.10x = 40,718,321,076,063,352
  5. Step 5: Solve for x
    x = 40,718,321,076,063,352/196,877,253.10
  6. Step 6: Final answer
    x = 206,820,851.24

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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.