Home / 140,121,927.10-210,202,978.65-43,085,784.70

Finding the Fourth Proportional to 140,121,927.10, 210,202,978.65 and 43,085,784.70

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Solution

The fourth proportional to 140,121,927.10, 210,202,978.65 and 43,085,784.70 is: 64,634,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,121,927.10 : 210,202,978.65 = 43,085,784.70 : x
  2. Step 2: Convert to fraction form
    140,121,927.10/210,202,978.65 = 43,085,784.70/x
  3. Step 3: Cross multiply
    140,121,927.10x = 210,202,978.65 × 43,085,784.70
  4. Step 4: Simplify right side
    140,121,927.10x = 9,056,760,281,412,598
  5. Step 5: Solve for x
    x = 9,056,760,281,412,598/140,121,927.10
  6. Step 6: Final answer
    x = 64,634,853.87

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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.