Home / 78,686,050.90-108,587,223.50-43,880,940.98

Finding the Fourth Proportional to 78,686,050.90, 108,587,223.50 and 43,880,940.98

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Solution

The fourth proportional to 78,686,050.90, 108,587,223.50 and 43,880,940.98 is: 60,555,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,686,050.90 : 108,587,223.50 = 43,880,940.98 : x
  2. Step 2: Convert to fraction form
    78,686,050.90/108,587,223.50 = 43,880,940.98/x
  3. Step 3: Cross multiply
    78,686,050.90x = 108,587,223.50 × 43,880,940.98
  4. Step 4: Simplify right side
    78,686,050.90x = 4,764,909,545,585,569
  5. Step 5: Solve for x
    x = 4,764,909,545,585,569/78,686,050.90
  6. Step 6: Final answer
    x = 60,555,962.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.