Home / 272,708,880.22-376,327,381.80-153,628,698.52

Finding the Fourth Proportional to 272,708,880.22, 376,327,381.80 and 153,628,698.52

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Solution

The fourth proportional to 272,708,880.22, 376,327,381.80 and 153,628,698.52 is: 212,001,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,708,880.22 : 376,327,381.80 = 153,628,698.52 : x
  2. Step 2: Convert to fraction form
    272,708,880.22/376,327,381.80 = 153,628,698.52/x
  3. Step 3: Cross multiply
    272,708,880.22x = 376,327,381.80 × 153,628,698.52
  4. Step 4: Simplify right side
    272,708,880.22x = 57,814,685,883,373,144
  5. Step 5: Solve for x
    x = 57,814,685,883,373,144/272,708,880.22
  6. Step 6: Final answer
    x = 212,001,478.78

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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.