Home / 30,492,186.92-42,079,300.26-16,742,041.64

Finding the Fourth Proportional to 30,492,186.92, 42,079,300.26 and 16,742,041.64

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Solution

The fourth proportional to 30,492,186.92, 42,079,300.26 and 16,742,041.64 is: 23,104,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492,186.92 : 42,079,300.26 = 16,742,041.64 : x
  2. Step 2: Convert to fraction form
    30,492,186.92/42,079,300.26 = 16,742,041.64/x
  3. Step 3: Cross multiply
    30,492,186.92x = 42,079,300.26 × 16,742,041.64
  4. Step 4: Simplify right side
    30,492,186.92x = 704,493,397,134,982.88
  5. Step 5: Solve for x
    x = 704,493,397,134,982.88/30,492,186.92
  6. Step 6: Final answer
    x = 23,104,062.66

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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.