Home / 115,118,927.18-158,880,323.31-73,289,630.78

Finding the Fourth Proportional to 115,118,927.18, 158,880,323.31 and 73,289,630.78

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Solution

The fourth proportional to 115,118,927.18, 158,880,323.31 and 73,289,630.78 is: 101,150,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118,927.18 : 158,880,323.31 = 73,289,630.78 : x
  2. Step 2: Convert to fraction form
    115,118,927.18/158,880,323.31 = 73,289,630.78/x
  3. Step 3: Cross multiply
    115,118,927.18x = 158,880,323.31 × 73,289,630.78
  4. Step 4: Simplify right side
    115,118,927.18x = 11,644,280,233,596,928
  5. Step 5: Solve for x
    x = 11,644,280,233,596,928/115,118,927.18
  6. Step 6: Final answer
    x = 101,150,006.51

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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.