Home / 289,289,355.40-433,934,033.10-97,813,131.40

Finding the Fourth Proportional to 289,289,355.40, 433,934,033.10 and 97,813,131.40

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Solution

The fourth proportional to 289,289,355.40, 433,934,033.10 and 97,813,131.40 is: 146,719,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,289,355.40 : 433,934,033.10 = 97,813,131.40 : x
  2. Step 2: Convert to fraction form
    289,289,355.40/433,934,033.10 = 97,813,131.40/x
  3. Step 3: Cross multiply
    289,289,355.40x = 433,934,033.10 × 97,813,131.40
  4. Step 4: Simplify right side
    289,289,355.40x = 42,444,446,598,542,256
  5. Step 5: Solve for x
    x = 42,444,446,598,542,256/289,289,355.40
  6. Step 6: Final answer
    x = 146,719,697.10

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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.