Home / 139,250,714.40-208,876,032.72-43,512,602.40

Finding the Fourth Proportional to 139,250,714.40, 208,876,032.72 and 43,512,602.40

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Solution

The fourth proportional to 139,250,714.40, 208,876,032.72 and 43,512,602.40 is: 65,268,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250,714.40 : 208,876,032.72 = 43,512,602.40 : x
  2. Step 2: Convert to fraction form
    139,250,714.40/208,876,032.72 = 43,512,602.40/x
  3. Step 3: Cross multiply
    139,250,714.40x = 208,876,032.72 × 43,512,602.40
  4. Step 4: Simplify right side
    139,250,714.40x = 9,088,739,762,634,750
  5. Step 5: Solve for x
    x = 9,088,739,762,634,750/139,250,714.40
  6. Step 6: Final answer
    x = 65,268,891.45

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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.