Home / 190,542,706.89-262,851,985.22-124,501,812.81

Finding the Fourth Proportional to 190,542,706.89, 262,851,985.22 and 124,501,812.81

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Solution

The fourth proportional to 190,542,706.89, 262,851,985.22 and 124,501,812.81 is: 171,749,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,542,706.89 : 262,851,985.22 = 124,501,812.81 : x
  2. Step 2: Convert to fraction form
    190,542,706.89/262,851,985.22 = 124,501,812.81/x
  3. Step 3: Cross multiply
    190,542,706.89x = 262,851,985.22 × 124,501,812.81
  4. Step 4: Simplify right side
    190,542,706.89x = 32,725,548,659,974,820
  5. Step 5: Solve for x
    x = 32,725,548,659,974,820/190,542,706.89
  6. Step 6: Final answer
    x = 171,749,153.74

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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.