Home / 140,466,435.30-210,615,672.15-72,441,987.30

Finding the Fourth Proportional to 140,466,435.30, 210,615,672.15 and 72,441,987.30

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Solution

The fourth proportional to 140,466,435.30, 210,615,672.15 and 72,441,987.30 is: 108,619,669.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,466,435.30 : 210,615,672.15 = 72,441,987.30 : x
  2. Step 2: Convert to fraction form
    140,466,435.30/210,615,672.15 = 72,441,987.30/x
  3. Step 3: Cross multiply
    140,466,435.30x = 210,615,672.15 × 72,441,987.30
  4. Step 4: Simplify right side
    140,466,435.30x = 15,257,417,847,071,264
  5. Step 5: Solve for x
    x = 15,257,417,847,071,264/140,466,435.30
  6. Step 6: Final answer
    x = 108,619,669.99

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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.