Home / 140,211,115.20-210,316,672.80-116,323,243.20

Finding the Fourth Proportional to 140,211,115.20, 210,316,672.80 and 116,323,243.20

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Solution

The fourth proportional to 140,211,115.20, 210,316,672.80 and 116,323,243.20 is: 174,484,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,211,115.20 : 210,316,672.80 = 116,323,243.20 : x
  2. Step 2: Convert to fraction form
    140,211,115.20/210,316,672.80 = 116,323,243.20/x
  3. Step 3: Cross multiply
    140,211,115.20x = 210,316,672.80 × 116,323,243.20
  4. Step 4: Simplify right side
    140,211,115.20x = 24,464,717,479,129,228
  5. Step 5: Solve for x
    x = 24,464,717,479,129,228/140,211,115.20
  6. Step 6: Final answer
    x = 174,484,864.80

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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.