Home / 262,051,421.40-393,077,132.10-201,585,245.40

Finding the Fourth Proportional to 262,051,421.40, 393,077,132.10 and 201,585,245.40

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Solution

The fourth proportional to 262,051,421.40, 393,077,132.10 and 201,585,245.40 is: 302,377,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,051,421.40 : 393,077,132.10 = 201,585,245.40 : x
  2. Step 2: Convert to fraction form
    262,051,421.40/393,077,132.10 = 201,585,245.40/x
  3. Step 3: Cross multiply
    262,051,421.40x = 393,077,132.10 × 201,585,245.40
  4. Step 4: Simplify right side
    262,051,421.40x = 79,238,550,135,506,720
  5. Step 5: Solve for x
    x = 79,238,550,135,506,720/262,051,421.40
  6. Step 6: Final answer
    x = 302,377,868.10

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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.