Home / 61,328,467.20-91,992,700.80-46,022,966.40

Finding the Fourth Proportional to 61,328,467.20, 91,992,700.80 and 46,022,966.40

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Solution

The fourth proportional to 61,328,467.20, 91,992,700.80 and 46,022,966.40 is: 69,034,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,328,467.20 : 91,992,700.80 = 46,022,966.40 : x
  2. Step 2: Convert to fraction form
    61,328,467.20/91,992,700.80 = 46,022,966.40/x
  3. Step 3: Cross multiply
    61,328,467.20x = 91,992,700.80 × 46,022,966.40
  4. Step 4: Simplify right side
    61,328,467.20x = 4,233,776,977,963,653
  5. Step 5: Solve for x
    x = 4,233,776,977,963,653/61,328,467.20
  6. Step 6: Final answer
    x = 69,034,449.60

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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.