Home / 67,385,102.40-101,077,653.60-21,946,896.90

Finding the Fourth Proportional to 67,385,102.40, 101,077,653.60 and 21,946,896.90

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Solution

The fourth proportional to 67,385,102.40, 101,077,653.60 and 21,946,896.90 is: 32,920,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,385,102.40 : 101,077,653.60 = 21,946,896.90 : x
  2. Step 2: Convert to fraction form
    67,385,102.40/101,077,653.60 = 21,946,896.90/x
  3. Step 3: Cross multiply
    67,385,102.40x = 101,077,653.60 × 21,946,896.90
  4. Step 4: Simplify right side
    67,385,102.40x = 2,218,340,842,453,113.50
  5. Step 5: Solve for x
    x = 2,218,340,842,453,113.50/67,385,102.40
  6. Step 6: Final answer
    x = 32,920,345.35

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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.