Home / 243,142,505.92-335,537,201.28-131,634,521.92

Finding the Fourth Proportional to 243,142,505.92, 335,537,201.28 and 131,634,521.92

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Solution

The fourth proportional to 243,142,505.92, 335,537,201.28 and 131,634,521.92 is: 181,655,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,142,505.92 : 335,537,201.28 = 131,634,521.92 : x
  2. Step 2: Convert to fraction form
    243,142,505.92/335,537,201.28 = 131,634,521.92/x
  3. Step 3: Cross multiply
    243,142,505.92x = 335,537,201.28 × 131,634,521.92
  4. Step 4: Simplify right side
    243,142,505.92x = 44,168,279,076,867,608
  5. Step 5: Solve for x
    x = 44,168,279,076,867,608/243,142,505.92
  6. Step 6: Final answer
    x = 181,655,934.28

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1.5x scale

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.