Home / 130,191,899.20-195,216,892.80-39,303,678.40

Finding the Fourth Proportional to 130,191,899.20, 195,216,892.80 and 39,303,678.40

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Solution

The fourth proportional to 130,191,899.20, 195,216,892.80 and 39,303,678.40 is: 58,934,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,191,899.20 : 195,216,892.80 = 39,303,678.40 : x
  2. Step 2: Convert to fraction form
    130,191,899.20/195,216,892.80 = 39,303,678.40/x
  3. Step 3: Cross multiply
    130,191,899.20x = 195,216,892.80 × 39,303,678.40
  4. Step 4: Simplify right side
    130,191,899.20x = 7,672,741,972,858,476
  5. Step 5: Solve for x
    x = 7,672,741,972,858,476/130,191,899.20
  6. Step 6: Final answer
    x = 58,934,096.67

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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.