Home / 442,868,401.60-664,302,602.40-131,975,416.60

Finding the Fourth Proportional to 442,868,401.60, 664,302,602.40 and 131,975,416.60

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Solution

The fourth proportional to 442,868,401.60, 664,302,602.40 and 131,975,416.60 is: 197,963,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,401.60 : 664,302,602.40 = 131,975,416.60 : x
  2. Step 2: Convert to fraction form
    442,868,401.60/664,302,602.40 = 131,975,416.60/x
  3. Step 3: Cross multiply
    442,868,401.60x = 664,302,602.40 × 131,975,416.60
  4. Step 4: Simplify right side
    442,868,401.60x = 87,671,612,700,204,160
  5. Step 5: Solve for x
    x = 87,671,612,700,204,160/442,868,401.60
  6. Step 6: Final answer
    x = 197,963,124.90

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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.