Home / 127,175,024.30-190,762,536.45-31,436,912.30

Finding the Fourth Proportional to 127,175,024.30, 190,762,536.45 and 31,436,912.30

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Solution

The fourth proportional to 127,175,024.30, 190,762,536.45 and 31,436,912.30 is: 47,155,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,175,024.30 : 190,762,536.45 = 31,436,912.30 : x
  2. Step 2: Convert to fraction form
    127,175,024.30/190,762,536.45 = 31,436,912.30/x
  3. Step 3: Cross multiply
    127,175,024.30x = 190,762,536.45 × 31,436,912.30
  4. Step 4: Simplify right side
    127,175,024.30x = 5,996,985,128,504,203
  5. Step 5: Solve for x
    x = 5,996,985,128,504,203/127,175,024.30
  6. Step 6: Final answer
    x = 47,155,368.45

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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.