Home / 172,051,265.40-258,076,898.10-158,912,935.80

Finding the Fourth Proportional to 172,051,265.40, 258,076,898.10 and 158,912,935.80

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Solution

The fourth proportional to 172,051,265.40, 258,076,898.10 and 158,912,935.80 is: 238,369,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,051,265.40 : 258,076,898.10 = 158,912,935.80 : x
  2. Step 2: Convert to fraction form
    172,051,265.40/258,076,898.10 = 158,912,935.80/x
  3. Step 3: Cross multiply
    172,051,265.40x = 258,076,898.10 × 158,912,935.80
  4. Step 4: Simplify right side
    172,051,265.40x = 41,011,757,539,228,448
  5. Step 5: Solve for x
    x = 41,011,757,539,228,448/172,051,265.40
  6. Step 6: Final answer
    x = 238,369,403.70

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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.