Home / 86,576,230.94-129,865,187.16-69,261,417.22

Finding the Fourth Proportional to 86,576,230.94, 129,865,187.16 and 69,261,417.22

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Solution

The fourth proportional to 86,576,230.94, 129,865,187.16 and 69,261,417.22 is: 103,892,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,576,230.94 : 129,865,187.16 = 69,261,417.22 : x
  2. Step 2: Convert to fraction form
    86,576,230.94/129,865,187.16 = 69,261,417.22/x
  3. Step 3: Cross multiply
    86,576,230.94x = 129,865,187.16 × 69,261,417.22
  4. Step 4: Simplify right side
    86,576,230.94x = 8,994,646,910,432,659
  5. Step 5: Solve for x
    x = 8,994,646,910,432,659/86,576,230.94
  6. Step 6: Final answer
    x = 103,892,798.44

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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.