Home / 318,500,874.21-477,778,426.32-97,221,916.32

Finding the Fourth Proportional to 318,500,874.21, 477,778,426.32 and 97,221,916.32

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Solution

The fourth proportional to 318,500,874.21, 477,778,426.32 and 97,221,916.32 is: 145,841,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,500,874.21 : 477,778,426.32 = 97,221,916.32 : x
  2. Step 2: Convert to fraction form
    318,500,874.21/477,778,426.32 = 97,221,916.32/x
  3. Step 3: Cross multiply
    318,500,874.21x = 477,778,426.32 × 97,221,916.32
  4. Step 4: Simplify right side
    318,500,874.21x = 46,450,534,183,626,136
  5. Step 5: Solve for x
    x = 46,450,534,183,626,136/318,500,874.21
  6. Step 6: Final answer
    x = 145,841,151.30

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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.