Home / 257,051,518-354,741,266.02-144,021,984.88

Finding the Fourth Proportional to 257,051,518, 354,741,266.02 and 144,021,984.88

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Solution

The fourth proportional to 257,051,518, 354,741,266.02 and 144,021,984.88 is: 198,756,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,051,518 : 354,741,266.02 = 144,021,984.88 : x
  2. Step 2: Convert to fraction form
    257,051,518/354,741,266.02 = 144,021,984.88/x
  3. Step 3: Cross multiply
    257,051,518x = 354,741,266.02 × 144,021,984.88
  4. Step 4: Simplify right side
    257,051,518x = 51,090,541,251,044,496
  5. Step 5: Solve for x
    x = 51,090,541,251,044,496/257,051,518
  6. Step 6: Final answer
    x = 198,756,037.89

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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.