Home / 142,204,197.38-196,241,792.58-77,014,101.38

Finding the Fourth Proportional to 142,204,197.38, 196,241,792.58 and 77,014,101.38

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Solution

The fourth proportional to 142,204,197.38, 196,241,792.58 and 77,014,101.38 is: 106,279,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,204,197.38 : 196,241,792.58 = 77,014,101.38 : x
  2. Step 2: Convert to fraction form
    142,204,197.38/196,241,792.58 = 77,014,101.38/x
  3. Step 3: Cross multiply
    142,204,197.38x = 196,241,792.58 × 77,014,101.38
  4. Step 4: Simplify right side
    142,204,197.38x = 15,113,385,307,767,844
  5. Step 5: Solve for x
    x = 15,113,385,307,767,844/142,204,197.38
  6. Step 6: Final answer
    x = 106,279,460.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.