Home / 181,434,541.86-272,076,142.59-56,905,086.78

Finding the Fourth Proportional to 181,434,541.86, 272,076,142.59 and 56,905,086.78

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Solution

The fourth proportional to 181,434,541.86, 272,076,142.59 and 56,905,086.78 is: 85,333,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,434,541.86 : 272,076,142.59 = 56,905,086.78 : x
  2. Step 2: Convert to fraction form
    181,434,541.86/272,076,142.59 = 56,905,086.78/x
  3. Step 3: Cross multiply
    181,434,541.86x = 272,076,142.59 × 56,905,086.78
  4. Step 4: Simplify right side
    181,434,541.86x = 15,482,516,504,851,602
  5. Step 5: Solve for x
    x = 15,482,516,504,851,602/181,434,541.86
  6. Step 6: Final answer
    x = 85,333,896.99

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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.