Home / 165,888,096.80-248,832,145.20-105,123,322.40

Finding the Fourth Proportional to 165,888,096.80, 248,832,145.20 and 105,123,322.40

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Solution

The fourth proportional to 165,888,096.80, 248,832,145.20 and 105,123,322.40 is: 157,684,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,096.80 : 248,832,145.20 = 105,123,322.40 : x
  2. Step 2: Convert to fraction form
    165,888,096.80/248,832,145.20 = 105,123,322.40/x
  3. Step 3: Cross multiply
    165,888,096.80x = 248,832,145.20 × 105,123,322.40
  4. Step 4: Simplify right side
    165,888,096.80x = 26,158,061,823,343,212
  5. Step 5: Solve for x
    x = 26,158,061,823,343,212/165,888,096.80
  6. Step 6: Final answer
    x = 157,684,983.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.