Home / 46,442,986.20-69,664,479.30-31,137,485.40

Finding the Fourth Proportional to 46,442,986.20, 69,664,479.30 and 31,137,485.40

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Solution

The fourth proportional to 46,442,986.20, 69,664,479.30 and 31,137,485.40 is: 46,706,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,442,986.20 : 69,664,479.30 = 31,137,485.40 : x
  2. Step 2: Convert to fraction form
    46,442,986.20/69,664,479.30 = 31,137,485.40/x
  3. Step 3: Cross multiply
    46,442,986.20x = 69,664,479.30 × 31,137,485.40
  4. Step 4: Simplify right side
    46,442,986.20x = 2,169,176,707,102,352
  5. Step 5: Solve for x
    x = 2,169,176,707,102,352/46,442,986.20
  6. Step 6: Final answer
    x = 46,706,228.10

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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.