Home / 152,990,433-211,120,638-83,374,319.22

Finding the Fourth Proportional to 152,990,433, 211,120,638 and 83,374,319.22

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Solution

The fourth proportional to 152,990,433, 211,120,638 and 83,374,319.22 is: 115,053,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,990,433 : 211,120,638 = 83,374,319.22 : x
  2. Step 2: Convert to fraction form
    152,990,433/211,120,638 = 83,374,319.22/x
  3. Step 3: Cross multiply
    152,990,433x = 211,120,638 × 83,374,319.22
  4. Step 4: Simplify right side
    152,990,433x = 17,602,039,466,542,062
  5. Step 5: Solve for x
    x = 17,602,039,466,542,062/152,990,433
  6. Step 6: Final answer
    x = 115,053,203.79

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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.