Home / 442,868,400.60-664,302,600.90-131,975,415.60

Finding the Fourth Proportional to 442,868,400.60, 664,302,600.90 and 131,975,415.60

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Solution

The fourth proportional to 442,868,400.60, 664,302,600.90 and 131,975,415.60 is: 197,963,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,400.60 : 664,302,600.90 = 131,975,415.60 : x
  2. Step 2: Convert to fraction form
    442,868,400.60/664,302,600.90 = 131,975,415.60/x
  3. Step 3: Cross multiply
    442,868,400.60x = 664,302,600.90 × 131,975,415.60
  4. Step 4: Simplify right side
    442,868,400.60x = 87,671,611,837,938,432
  5. Step 5: Solve for x
    x = 87,671,611,837,938,432/442,868,400.60
  6. Step 6: Final answer
    x = 197,963,123.40

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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.