Home / 140,425,828.02-210,658,891.59-43,390,008.54

Finding the Fourth Proportional to 140,425,828.02, 210,658,891.59 and 43,390,008.54

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Solution

The fourth proportional to 140,425,828.02, 210,658,891.59 and 43,390,008.54 is: 65,091,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,425,828.02 : 210,658,891.59 = 43,390,008.54 : x
  2. Step 2: Convert to fraction form
    140,425,828.02/210,658,891.59 = 43,390,008.54/x
  3. Step 3: Cross multiply
    140,425,828.02x = 210,658,891.59 × 43,390,008.54
  4. Step 4: Simplify right side
    140,425,828.02x = 9,140,491,105,117,034
  5. Step 5: Solve for x
    x = 9,140,491,105,117,034/140,425,828.02
  6. Step 6: Final answer
    x = 65,091,238.80

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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.