Home / 55,735,108.20-83,602,662.30-19,331,399.70

Finding the Fourth Proportional to 55,735,108.20, 83,602,662.30 and 19,331,399.70

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Solution

The fourth proportional to 55,735,108.20, 83,602,662.30 and 19,331,399.70 is: 28,997,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,735,108.20 : 83,602,662.30 = 19,331,399.70 : x
  2. Step 2: Convert to fraction form
    55,735,108.20/83,602,662.30 = 19,331,399.70/x
  3. Step 3: Cross multiply
    55,735,108.20x = 83,602,662.30 × 19,331,399.70
  4. Step 4: Simplify right side
    55,735,108.20x = 1,616,156,480,905,421.25
  5. Step 5: Solve for x
    x = 1,616,156,480,905,421.25/55,735,108.20
  6. Step 6: Final answer
    x = 28,997,099.55

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Similar ratio
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1.5x scale

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.