Home / 46,478,048.40-69,717,072.60-20,968,880.40

Finding the Fourth Proportional to 46,478,048.40, 69,717,072.60 and 20,968,880.40

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Solution

The fourth proportional to 46,478,048.40, 69,717,072.60 and 20,968,880.40 is: 31,453,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,478,048.40 : 69,717,072.60 = 20,968,880.40 : x
  2. Step 2: Convert to fraction form
    46,478,048.40/69,717,072.60 = 20,968,880.40/x
  3. Step 3: Cross multiply
    46,478,048.40x = 69,717,072.60 × 20,968,880.40
  4. Step 4: Simplify right side
    46,478,048.40x = 1,461,888,957,187,516.75
  5. Step 5: Solve for x
    x = 1,461,888,957,187,516.75/46,478,048.40
  6. Step 6: Final answer
    x = 31,453,320.60

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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.