Home / 120,703,800,418.65-166,563,739,307.40-66,507,316,163.54

Finding the Fourth Proportional to 120,703,800,418.65, 166,563,739,307.40 and 66,507,316,163.54

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Solution

The fourth proportional to 120,703,800,418.65, 166,563,739,307.40 and 66,507,316,163.54 is: 91,775,960,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,703,800,418.65 : 166,563,739,307.40 = 66,507,316,163.54 : x
  2. Step 2: Convert to fraction form
    120,703,800,418.65/166,563,739,307.40 = 66,507,316,163.54/x
  3. Step 3: Cross multiply
    120,703,800,418.65x = 166,563,739,307.40 × 66,507,316,163.54
  4. Step 4: Simplify right side
    120,703,800,418.65x = 11,077,707,271,497,874,145,280
  5. Step 5: Solve for x
    x = 11,077,707,271,497,874,145,280/120,703,800,418.65
  6. Step 6: Final answer
    x = 91,775,960,931.44

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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.