Home / 213,049,506.38-294,008,381.79-120,249,672.62

Finding the Fourth Proportional to 213,049,506.38, 294,008,381.79 and 120,249,672.62

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Solution

The fourth proportional to 213,049,506.38, 294,008,381.79 and 120,249,672.62 is: 165,944,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,049,506.38 : 294,008,381.79 = 120,249,672.62 : x
  2. Step 2: Convert to fraction form
    213,049,506.38/294,008,381.79 = 120,249,672.62/x
  3. Step 3: Cross multiply
    213,049,506.38x = 294,008,381.79 × 120,249,672.62
  4. Step 4: Simplify right side
    213,049,506.38x = 35,354,411,657,783,472
  5. Step 5: Solve for x
    x = 35,354,411,657,783,472/213,049,506.38
  6. Step 6: Final answer
    x = 165,944,583.77

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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.