Home / 141,528,709.42-212,222,024.24-82,460,209.40

Finding the Fourth Proportional to 141,528,709.42, 212,222,024.24 and 82,460,209.40

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Solution

The fourth proportional to 141,528,709.42, 212,222,024.24 and 82,460,209.40 is: 123,648,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,528,709.42 : 212,222,024.24 = 82,460,209.40 : x
  2. Step 2: Convert to fraction form
    141,528,709.42/212,222,024.24 = 82,460,209.40/x
  3. Step 3: Cross multiply
    141,528,709.42x = 212,222,024.24 × 82,460,209.40
  4. Step 4: Simplify right side
    141,528,709.42x = 17,499,872,558,122,278
  5. Step 5: Solve for x
    x = 17,499,872,558,122,278/141,528,709.42
  6. Step 6: Final answer
    x = 123,648,923.46

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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.