Home / 142,011,026,522.24-195,975,322,256.40-76,905,959,197.28

Finding the Fourth Proportional to 142,011,026,522.24, 195,975,322,256.40 and 76,905,959,197.28

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Solution

The fourth proportional to 142,011,026,522.24, 195,975,322,256.40 and 76,905,959,197.28 is: 106,130,280,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,011,026,522.24 : 195,975,322,256.40 = 76,905,959,197.28 : x
  2. Step 2: Convert to fraction form
    142,011,026,522.24/195,975,322,256.40 = 76,905,959,197.28/x
  3. Step 3: Cross multiply
    142,011,026,522.24x = 195,975,322,256.40 × 76,905,959,197.28
  4. Step 4: Simplify right side
    142,011,026,522.24x = 15,071,670,137,124,496,080,896
  5. Step 5: Solve for x
    x = 15,071,670,137,124,496,080,896/142,011,026,522.24
  6. Step 6: Final answer
    x = 106,130,280,910.01

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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.