Home / 129,361,553,927.60-194,042,330,891.40-31,325,727,239.60

Finding the Fourth Proportional to 129,361,553,927.60, 194,042,330,891.40 and 31,325,727,239.60

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Solution

The fourth proportional to 129,361,553,927.60, 194,042,330,891.40 and 31,325,727,239.60 is: 46,988,590,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,361,553,927.60 : 194,042,330,891.40 = 31,325,727,239.60 : x
  2. Step 2: Convert to fraction form
    129,361,553,927.60/194,042,330,891.40 = 31,325,727,239.60/x
  3. Step 3: Cross multiply
    129,361,553,927.60x = 194,042,330,891.40 × 31,325,727,239.60
  4. Step 4: Simplify right side
    129,361,553,927.60x = 6,078,517,130,440,205,139,968
  5. Step 5: Solve for x
    x = 6,078,517,130,440,205,139,968/129,361,553,927.60
  6. Step 6: Final answer
    x = 46,988,590,859.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.