Home / 46,173,872.20-69,215,124.30-21,870,081.40

Finding the Fourth Proportional to 46,173,872.20, 69,215,124.30 and 21,870,081.40

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Solution

The fourth proportional to 46,173,872.20, 69,215,124.30 and 21,870,081.40 is: 32,783,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,173,872.20 : 69,215,124.30 = 21,870,081.40 : x
  2. Step 2: Convert to fraction form
    46,173,872.20/69,215,124.30 = 21,870,081.40/x
  3. Step 3: Cross multiply
    46,173,872.20x = 69,215,124.30 × 21,870,081.40
  4. Step 4: Simplify right side
    46,173,872.20x = 1,513,740,402,552,117.75
  5. Step 5: Solve for x
    x = 1,513,740,402,552,117.75/46,173,872.20
  6. Step 6: Final answer
    x = 32,783,484.04

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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.