Home / 44,289,920.70-66,434,881.05-20,402,048.70

Finding the Fourth Proportional to 44,289,920.70, 66,434,881.05 and 20,402,048.70

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Solution

The fourth proportional to 44,289,920.70, 66,434,881.05 and 20,402,048.70 is: 30,603,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,289,920.70 : 66,434,881.05 = 20,402,048.70 : x
  2. Step 2: Convert to fraction form
    44,289,920.70/66,434,881.05 = 20,402,048.70/x
  3. Step 3: Cross multiply
    44,289,920.70x = 66,434,881.05 × 20,402,048.70
  4. Step 4: Simplify right side
    44,289,920.70x = 1,355,407,678,560,807
  5. Step 5: Solve for x
    x = 1,355,407,678,560,807/44,289,920.70
  6. Step 6: Final answer
    x = 30,603,073.05

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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.