Home / 190,380,387.57-262,628,243.75-124,339,543.10

Finding the Fourth Proportional to 190,380,387.57, 262,628,243.75 and 124,339,543.10

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Solution

The fourth proportional to 190,380,387.57, 262,628,243.75 and 124,339,543.10 is: 171,525,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,380,387.57 : 262,628,243.75 = 124,339,543.10 : x
  2. Step 2: Convert to fraction form
    190,380,387.57/262,628,243.75 = 124,339,543.10/x
  3. Step 3: Cross multiply
    190,380,387.57x = 262,628,243.75 × 124,339,543.10
  4. Step 4: Simplify right side
    190,380,387.57x = 32,655,075,831,095,592
  5. Step 5: Solve for x
    x = 32,655,075,831,095,592/190,380,387.57
  6. Step 6: Final answer
    x = 171,525,419.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.