Home / 112,172,161.58-154,823,411.02-65,777,362.28

Finding the Fourth Proportional to 112,172,161.58, 154,823,411.02 and 65,777,362.28

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Solution

The fourth proportional to 112,172,161.58, 154,823,411.02 and 65,777,362.28 is: 90,787,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172,161.58 : 154,823,411.02 = 65,777,362.28 : x
  2. Step 2: Convert to fraction form
    112,172,161.58/154,823,411.02 = 65,777,362.28/x
  3. Step 3: Cross multiply
    112,172,161.58x = 154,823,411.02 × 65,777,362.28
  4. Step 4: Simplify right side
    112,172,161.58x = 10,183,875,596,258,328
  5. Step 5: Solve for x
    x = 10,183,875,596,258,328/112,172,161.58
  6. Step 6: Final answer
    x = 90,787,905.42

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1.5x scale

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.