Home / 163,647,444.24-225,838,260.90-89,312,772.60

Finding the Fourth Proportional to 163,647,444.24, 225,838,260.90 and 89,312,772.60

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Solution

The fourth proportional to 163,647,444.24, 225,838,260.90 and 89,312,772.60 is: 123,254,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,444.24 : 225,838,260.90 = 89,312,772.60 : x
  2. Step 2: Convert to fraction form
    163,647,444.24/225,838,260.90 = 89,312,772.60/x
  3. Step 3: Cross multiply
    163,647,444.24x = 225,838,260.90 × 89,312,772.60
  4. Step 4: Simplify right side
    163,647,444.24x = 20,170,241,240,141,172
  5. Step 5: Solve for x
    x = 20,170,241,240,141,172/163,647,444.24
  6. Step 6: Final answer
    x = 123,254,239.22

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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.