Home / 385,563,087.06-532,071,617.04-218,295,034.98

Finding the Fourth Proportional to 385,563,087.06, 532,071,617.04 and 218,295,034.98

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Solution

The fourth proportional to 385,563,087.06, 532,071,617.04 and 218,295,034.98 is: 301,244,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,563,087.06 : 532,071,617.04 = 218,295,034.98 : x
  2. Step 2: Convert to fraction form
    385,563,087.06/532,071,617.04 = 218,295,034.98/x
  3. Step 3: Cross multiply
    385,563,087.06x = 532,071,617.04 × 218,295,034.98
  4. Step 4: Simplify right side
    385,563,087.06x = 116,148,592,253,611,968
  5. Step 5: Solve for x
    x = 116,148,592,253,611,968/385,563,087.06
  6. Step 6: Final answer
    x = 301,244,066.54

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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.