Home / 163,647,461.16-225,838,284.17-89,312,789.43

Finding the Fourth Proportional to 163,647,461.16, 225,838,284.17 and 89,312,789.43

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Solution

The fourth proportional to 163,647,461.16, 225,838,284.17 and 89,312,789.43 is: 123,254,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,461.16 : 225,838,284.17 = 89,312,789.43 : x
  2. Step 2: Convert to fraction form
    163,647,461.16/225,838,284.17 = 89,312,789.43/x
  3. Step 3: Cross multiply
    163,647,461.16x = 225,838,284.17 × 89,312,789.43
  4. Step 4: Simplify right side
    163,647,461.16x = 20,170,247,118,861,148
  5. Step 5: Solve for x
    x = 20,170,247,118,861,148/163,647,461.16
  6. Step 6: Final answer
    x = 123,254,262.40

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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.