Home / 140,587,889.12-210,968,028.72-62,930,455.36

Finding the Fourth Proportional to 140,587,889.12, 210,968,028.72 and 62,930,455.36

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Solution

The fourth proportional to 140,587,889.12, 210,968,028.72 and 62,930,455.36 is: 94,434,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,587,889.12 : 210,968,028.72 = 62,930,455.36 : x
  2. Step 2: Convert to fraction form
    140,587,889.12/210,968,028.72 = 62,930,455.36/x
  3. Step 3: Cross multiply
    140,587,889.12x = 210,968,028.72 × 62,930,455.36
  4. Step 4: Simplify right side
    140,587,889.12x = 13,276,314,113,751,158
  5. Step 5: Solve for x
    x = 13,276,314,113,751,158/140,587,889.12
  6. Step 6: Final answer
    x = 94,434,265.97

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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.