Home / 257,051,519-354,741,267.40-144,021,985.88

Finding the Fourth Proportional to 257,051,519, 354,741,267.40 and 144,021,985.88

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Solution

The fourth proportional to 257,051,519, 354,741,267.40 and 144,021,985.88 is: 198,756,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,051,519 : 354,741,267.40 = 144,021,985.88 : x
  2. Step 2: Convert to fraction form
    257,051,519/354,741,267.40 = 144,021,985.88/x
  3. Step 3: Cross multiply
    257,051,519x = 354,741,267.40 × 144,021,985.88
  4. Step 4: Simplify right side
    257,051,519x = 51,090,541,804,536,096
  5. Step 5: Solve for x
    x = 51,090,541,804,536,096/257,051,519
  6. Step 6: Final answer
    x = 198,756,039.27

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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.