Home / 90,101,137,556.10-124,339,692,956.82-48,901,517,962.17

Finding the Fourth Proportional to 90,101,137,556.10, 124,339,692,956.82 and 48,901,517,962.17

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Solution

The fourth proportional to 90,101,137,556.10, 124,339,692,956.82 and 48,901,517,962.17 is: 67,484,161,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101,137,556.10 : 124,339,692,956.82 = 48,901,517,962.17 : x
  2. Step 2: Convert to fraction form
    90,101,137,556.10/124,339,692,956.82 = 48,901,517,962.17/x
  3. Step 3: Cross multiply
    90,101,137,556.10x = 124,339,692,956.82 × 48,901,517,962.17
  4. Step 4: Simplify right side
    90,101,137,556.10x = 6,080,399,728,538,636,255,232
  5. Step 5: Solve for x
    x = 6,080,399,728,538,636,255,232/90,101,137,556.10
  6. Step 6: Final answer
    x = 67,484,161,615.08

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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.