Home / 102,112,096.80-153,168,145.20-73,446,650.40

Finding the Fourth Proportional to 102,112,096.80, 153,168,145.20 and 73,446,650.40

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Solution

The fourth proportional to 102,112,096.80, 153,168,145.20 and 73,446,650.40 is: 110,169,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,112,096.80 : 153,168,145.20 = 73,446,650.40 : x
  2. Step 2: Convert to fraction form
    102,112,096.80/153,168,145.20 = 73,446,650.40/x
  3. Step 3: Cross multiply
    102,112,096.80x = 153,168,145.20 × 73,446,650.40
  4. Step 4: Simplify right side
    102,112,096.80x = 11,249,687,212,920,838
  5. Step 5: Solve for x
    x = 11,249,687,212,920,838/102,112,096.80
  6. Step 6: Final answer
    x = 110,169,975.60

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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.