Home / 201,367,819,999.40-302,051,729,999.10-126,921,864,108.20

Finding the Fourth Proportional to 201,367,819,999.40, 302,051,729,999.10 and 126,921,864,108.20

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Solution

The fourth proportional to 201,367,819,999.40, 302,051,729,999.10 and 126,921,864,108.20 is: 190,382,796,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,367,819,999.40 : 302,051,729,999.10 = 126,921,864,108.20 : x
  2. Step 2: Convert to fraction form
    201,367,819,999.40/302,051,729,999.10 = 126,921,864,108.20/x
  3. Step 3: Cross multiply
    201,367,819,999.40x = 302,051,729,999.10 × 126,921,864,108.20
  4. Step 4: Simplify right side
    201,367,819,999.40x = 38,336,968,628,592,487,432,192
  5. Step 5: Solve for x
    x = 38,336,968,628,592,487,432,192/201,367,819,999.40
  6. Step 6: Final answer
    x = 190,382,796,162.30

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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.