Home / 127,133,511.20-190,700,266.80-31,395,399.20

Finding the Fourth Proportional to 127,133,511.20, 190,700,266.80 and 31,395,399.20

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Solution

The fourth proportional to 127,133,511.20, 190,700,266.80 and 31,395,399.20 is: 47,093,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,133,511.20 : 190,700,266.80 = 31,395,399.20 : x
  2. Step 2: Convert to fraction form
    127,133,511.20/190,700,266.80 = 31,395,399.20/x
  3. Step 3: Cross multiply
    127,133,511.20x = 190,700,266.80 × 31,395,399.20
  4. Step 4: Simplify right side
    127,133,511.20x = 5,987,111,003,732,507
  5. Step 5: Solve for x
    x = 5,987,111,003,732,507/127,133,511.20
  6. Step 6: Final answer
    x = 47,093,098.80

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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.