Home / 163,341,816.98-225,409,038.69-89,003,259.44

Finding the Fourth Proportional to 163,341,816.98, 225,409,038.69 and 89,003,259.44

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Solution

The fourth proportional to 163,341,816.98, 225,409,038.69 and 89,003,259.44 is: 122,823,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,341,816.98 : 225,409,038.69 = 89,003,259.44 : x
  2. Step 2: Convert to fraction form
    163,341,816.98/225,409,038.69 = 89,003,259.44/x
  3. Step 3: Cross multiply
    163,341,816.98x = 225,409,038.69 × 89,003,259.44
  4. Step 4: Simplify right side
    163,341,816.98x = 20,062,139,150,647,068
  5. Step 5: Solve for x
    x = 20,062,139,150,647,068/163,341,816.98
  6. Step 6: Final answer
    x = 122,823,043.86

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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.