Home / 67,880,020.52-101,829,595.58-21,806,440.36

Finding the Fourth Proportional to 67,880,020.52, 101,829,595.58 and 21,806,440.36

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Solution

The fourth proportional to 67,880,020.52, 101,829,595.58 and 21,806,440.36 is: 32,712,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880,020.52 : 101,829,595.58 = 21,806,440.36 : x
  2. Step 2: Convert to fraction form
    67,880,020.52/101,829,595.58 = 21,806,440.36/x
  3. Step 3: Cross multiply
    67,880,020.52x = 101,829,595.58 × 21,806,440.36
  4. Step 4: Simplify right side
    67,880,020.52x = 2,220,541,002,898,189.50
  5. Step 5: Solve for x
    x = 2,220,541,002,898,189.50/67,880,020.52
  6. Step 6: Final answer
    x = 32,712,733.23

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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.