Home / 84,065,271.89-116,007,443.12-49,281,129.23

Finding the Fourth Proportional to 84,065,271.89, 116,007,443.12 and 49,281,129.23

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Solution

The fourth proportional to 84,065,271.89, 116,007,443.12 and 49,281,129.23 is: 68,006,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,065,271.89 : 116,007,443.12 = 49,281,129.23 : x
  2. Step 2: Convert to fraction form
    84,065,271.89/116,007,443.12 = 49,281,129.23/x
  3. Step 3: Cross multiply
    84,065,271.89x = 116,007,443.12 × 49,281,129.23
  4. Step 4: Simplify right side
    84,065,271.89x = 5,716,977,795,581,760
  5. Step 5: Solve for x
    x = 5,716,977,795,581,760/84,065,271.89
  6. Step 6: Final answer
    x = 68,006,415.34

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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.