Home / 181,691,935.20-272,537,902.80-105,164,431.20

Finding the Fourth Proportional to 181,691,935.20, 272,537,902.80 and 105,164,431.20

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Solution

The fourth proportional to 181,691,935.20, 272,537,902.80 and 105,164,431.20 is: 157,746,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,691,935.20 : 272,537,902.80 = 105,164,431.20 : x
  2. Step 2: Convert to fraction form
    181,691,935.20/272,537,902.80 = 105,164,431.20/x
  3. Step 3: Cross multiply
    181,691,935.20x = 272,537,902.80 × 105,164,431.20
  4. Step 4: Simplify right side
    181,691,935.20x = 28,661,293,528,402,888
  5. Step 5: Solve for x
    x = 28,661,293,528,402,888/181,691,935.20
  6. Step 6: Final answer
    x = 157,746,646.80

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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.