Home / 442,868,404.10-664,302,606.15-131,975,419.10

Finding the Fourth Proportional to 442,868,404.10, 664,302,606.15 and 131,975,419.10

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Solution

The fourth proportional to 442,868,404.10, 664,302,606.15 and 131,975,419.10 is: 197,963,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,404.10 : 664,302,606.15 = 131,975,419.10 : x
  2. Step 2: Convert to fraction form
    442,868,404.10/664,302,606.15 = 131,975,419.10/x
  3. Step 3: Cross multiply
    442,868,404.10x = 664,302,606.15 × 131,975,419.10
  4. Step 4: Simplify right side
    442,868,404.10x = 87,671,614,855,868,480
  5. Step 5: Solve for x
    x = 87,671,614,855,868,480/442,868,404.10
  6. Step 6: Final answer
    x = 197,963,128.65

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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.