Home / 140,205,528.64-210,120,306-109,118,724.40

Finding the Fourth Proportional to 140,205,528.64, 210,120,306 and 109,118,724.40

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Solution

The fourth proportional to 140,205,528.64, 210,120,306 and 109,118,724.40 is: 163,531,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,528.64 : 210,120,306 = 109,118,724.40 : x
  2. Step 2: Convert to fraction form
    140,205,528.64/210,120,306 = 109,118,724.40/x
  3. Step 3: Cross multiply
    140,205,528.64x = 210,120,306 × 109,118,724.40
  4. Step 4: Simplify right side
    140,205,528.64x = 22,928,059,761,257,668
  5. Step 5: Solve for x
    x = 22,928,059,761,257,668/140,205,528.64
  6. Step 6: Final answer
    x = 163,531,780.69

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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.