Home / 90,101,137,560.31-124,339,692,962.61-48,901,517,966.38

Finding the Fourth Proportional to 90,101,137,560.31, 124,339,692,962.61 and 48,901,517,966.38

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Solution

The fourth proportional to 90,101,137,560.31, 124,339,692,962.61 and 48,901,517,966.38 is: 67,484,161,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101,137,560.31 : 124,339,692,962.61 = 48,901,517,966.38 : x
  2. Step 2: Convert to fraction form
    90,101,137,560.31/124,339,692,962.61 = 48,901,517,966.38/x
  3. Step 3: Cross multiply
    90,101,137,560.31x = 124,339,692,962.61 × 48,901,517,966.38
  4. Step 4: Simplify right side
    90,101,137,560.31x = 6,080,399,729,345,494,515,712
  5. Step 5: Solve for x
    x = 6,080,399,729,345,494,515,712/90,101,137,560.31
  6. Step 6: Final answer
    x = 67,484,161,620.89

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1.5x scale

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.