Home / 46,173,842.20-69,215,079.30-21,870,051.40

Finding the Fourth Proportional to 46,173,842.20, 69,215,079.30 and 21,870,051.40

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Solution

The fourth proportional to 46,173,842.20, 69,215,079.30 and 21,870,051.40 is: 32,783,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,173,842.20 : 69,215,079.30 = 21,870,051.40 : x
  2. Step 2: Convert to fraction form
    46,173,842.20/69,215,079.30 = 21,870,051.40/x
  3. Step 3: Cross multiply
    46,173,842.20x = 69,215,079.30 × 21,870,051.40
  4. Step 4: Simplify right side
    46,173,842.20x = 1,513,737,341,946,075.75
  5. Step 5: Solve for x
    x = 1,513,737,341,946,075.75/46,173,842.20
  6. Step 6: Final answer
    x = 32,783,439.06

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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.