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Finding the Fourth Proportional to 176,076,406.40, 264,151,934.40 and 53,244,636.80

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Solution

The fourth proportional to 176,076,406.40, 264,151,934.40 and 53,244,636.80 is: 79,878,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,076,406.40 : 264,151,934.40 = 53,244,636.80 : x
  2. Step 2: Convert to fraction form
    176,076,406.40/264,151,934.40 = 53,244,636.80/x
  3. Step 3: Cross multiply
    176,076,406.40x = 264,151,934.40 × 53,244,636.80
  4. Step 4: Simplify right side
    176,076,406.40x = 14,064,673,807,145,426
  5. Step 5: Solve for x
    x = 14,064,673,807,145,426/176,076,406.40
  6. Step 6: Final answer
    x = 79,878,242.04

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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.