Home / 243,023,987.44-335,373,949.47-131,514,800.32

Finding the Fourth Proportional to 243,023,987.44, 335,373,949.47 and 131,514,800.32

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Solution

The fourth proportional to 243,023,987.44, 335,373,949.47 and 131,514,800.32 is: 181,490,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,023,987.44 : 335,373,949.47 = 131,514,800.32 : x
  2. Step 2: Convert to fraction form
    243,023,987.44/335,373,949.47 = 131,514,800.32/x
  3. Step 3: Cross multiply
    243,023,987.44x = 335,373,949.47 × 131,514,800.32
  4. Step 4: Simplify right side
    243,023,987.44x = 44,106,637,997,076,824
  5. Step 5: Solve for x
    x = 44,106,637,997,076,824/243,023,987.44
  6. Step 6: Final answer
    x = 181,490,882.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.