Home / 142,011,026,520.74-195,975,322,254.33-76,905,959,195.78

Finding the Fourth Proportional to 142,011,026,520.74, 195,975,322,254.33 and 76,905,959,195.78

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Solution

The fourth proportional to 142,011,026,520.74, 195,975,322,254.33 and 76,905,959,195.78 is: 106,130,280,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,011,026,520.74 : 195,975,322,254.33 = 76,905,959,195.78 : x
  2. Step 2: Convert to fraction form
    142,011,026,520.74/195,975,322,254.33 = 76,905,959,195.78/x
  3. Step 3: Cross multiply
    142,011,026,520.74x = 195,975,322,254.33 × 76,905,959,195.78
  4. Step 4: Simplify right side
    142,011,026,520.74x = 15,071,670,136,671,337,185,280
  5. Step 5: Solve for x
    x = 15,071,670,136,671,337,185,280/142,011,026,520.74
  6. Step 6: Final answer
    x = 106,130,280,907.94

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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.