Home / 130,135,577.72-195,196,491.03-42,685,575.15

Finding the Fourth Proportional to 130,135,577.72, 195,196,491.03 and 42,685,575.15

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Solution

The fourth proportional to 130,135,577.72, 195,196,491.03 and 42,685,575.15 is: 64,026,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,135,577.72 : 195,196,491.03 = 42,685,575.15 : x
  2. Step 2: Convert to fraction form
    130,135,577.72/195,196,491.03 = 42,685,575.15/x
  3. Step 3: Cross multiply
    130,135,577.72x = 195,196,491.03 × 42,685,575.15
  4. Step 4: Simplify right side
    130,135,577.72x = 8,332,074,486,877,366
  5. Step 5: Solve for x
    x = 8,332,074,486,877,366/130,135,577.72
  6. Step 6: Final answer
    x = 64,026,107.49

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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.