Home / 140,864,901.30-211,297,351.95-86,445,342.90

Finding the Fourth Proportional to 140,864,901.30, 211,297,351.95 and 86,445,342.90

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Solution

The fourth proportional to 140,864,901.30, 211,297,351.95 and 86,445,342.90 is: 129,668,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,864,901.30 : 211,297,351.95 = 86,445,342.90 : x
  2. Step 2: Convert to fraction form
    140,864,901.30/211,297,351.95 = 86,445,342.90/x
  3. Step 3: Cross multiply
    140,864,901.30x = 211,297,351.95 × 86,445,342.90
  4. Step 4: Simplify right side
    140,864,901.30x = 18,265,672,043,179,732
  5. Step 5: Solve for x
    x = 18,265,672,043,179,732/140,864,901.30
  6. Step 6: Final answer
    x = 129,668,014.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.