Home / 220,126,731.40-330,190,097.10-124,575,243.40

Finding the Fourth Proportional to 220,126,731.40, 330,190,097.10 and 124,575,243.40

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Solution

The fourth proportional to 220,126,731.40, 330,190,097.10 and 124,575,243.40 is: 186,862,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,126,731.40 : 330,190,097.10 = 124,575,243.40 : x
  2. Step 2: Convert to fraction form
    220,126,731.40/330,190,097.10 = 124,575,243.40/x
  3. Step 3: Cross multiply
    220,126,731.40x = 330,190,097.10 × 124,575,243.40
  4. Step 4: Simplify right side
    220,126,731.40x = 41,133,511,714,502,136
  5. Step 5: Solve for x
    x = 41,133,511,714,502,136/220,126,731.40
  6. Step 6: Final answer
    x = 186,862,865.10

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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.