Home / 140,425,827.84-210,658,891.32-43,390,008.36

Finding the Fourth Proportional to 140,425,827.84, 210,658,891.32 and 43,390,008.36

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Solution

The fourth proportional to 140,425,827.84, 210,658,891.32 and 43,390,008.36 is: 65,091,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,425,827.84 : 210,658,891.32 = 43,390,008.36 : x
  2. Step 2: Convert to fraction form
    140,425,827.84/210,658,891.32 = 43,390,008.36/x
  3. Step 3: Cross multiply
    140,425,827.84x = 210,658,891.32 × 43,390,008.36
  4. Step 4: Simplify right side
    140,425,827.84x = 9,140,491,055,483,130
  5. Step 5: Solve for x
    x = 9,140,491,055,483,130/140,425,827.84
  6. Step 6: Final answer
    x = 65,091,238.53

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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.