Home / 140,205,442.02-210,120,171.32-109,118,634.72

Finding the Fourth Proportional to 140,205,442.02, 210,120,171.32 and 109,118,634.72

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Solution

The fourth proportional to 140,205,442.02, 210,120,171.32 and 109,118,634.72 is: 163,531,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,442.02 : 210,120,171.32 = 109,118,634.72 : x
  2. Step 2: Convert to fraction form
    140,205,442.02/210,120,171.32 = 109,118,634.72/x
  3. Step 3: Cross multiply
    140,205,442.02x = 210,120,171.32 × 109,118,634.72
  4. Step 4: Simplify right side
    140,205,442.02x = 22,928,026,221,570,900
  5. Step 5: Solve for x
    x = 22,928,026,221,570,900/140,205,442.02
  6. Step 6: Final answer
    x = 163,531,642.50

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1.5x scale

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.