Home / 90,101,137,611.72-124,339,693,033.35-48,901,518,017.58

Finding the Fourth Proportional to 90,101,137,611.72, 124,339,693,033.35 and 48,901,518,017.58

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Solution

The fourth proportional to 90,101,137,611.72, 124,339,693,033.35 and 48,901,518,017.58 is: 67,484,161,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101,137,611.72 : 124,339,693,033.35 = 48,901,518,017.58 : x
  2. Step 2: Convert to fraction form
    90,101,137,611.72/124,339,693,033.35 = 48,901,518,017.58/x
  3. Step 3: Cross multiply
    90,101,137,611.72x = 124,339,693,033.35 × 48,901,518,017.58
  4. Step 4: Simplify right side
    90,101,137,611.72x = 6,080,399,739,170,732,376,064
  5. Step 5: Solve for x
    x = 6,080,399,739,170,732,376,064/90,101,137,611.72
  6. Step 6: Final answer
    x = 67,484,161,691.43

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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.