Home / 55,602,002.70-83,403,004.05-45,965,205.90

Finding the Fourth Proportional to 55,602,002.70, 83,403,004.05 and 45,965,205.90

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Solution

The fourth proportional to 55,602,002.70, 83,403,004.05 and 45,965,205.90 is: 68,947,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602,002.70 : 83,403,004.05 = 45,965,205.90 : x
  2. Step 2: Convert to fraction form
    55,602,002.70/83,403,004.05 = 45,965,205.90/x
  3. Step 3: Cross multiply
    55,602,002.70x = 83,403,004.05 × 45,965,205.90
  4. Step 4: Simplify right side
    55,602,002.70x = 3,833,636,253,836,783.50
  5. Step 5: Solve for x
    x = 3,833,636,253,836,783.50/55,602,002.70
  6. Step 6: Final answer
    x = 68,947,808.85

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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.