Home / 202,187,992,056.90-279,028,199,807.79-111,967,445,680.89

Finding the Fourth Proportional to 202,187,992,056.90, 279,028,199,807.79 and 111,967,445,680.89

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Solution

The fourth proportional to 202,187,992,056.90, 279,028,199,807.79 and 111,967,445,680.89 is: 154,519,932,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187,992,056.90 : 279,028,199,807.79 = 111,967,445,680.89 : x
  2. Step 2: Convert to fraction form
    202,187,992,056.90/279,028,199,807.79 = 111,967,445,680.89/x
  3. Step 3: Cross multiply
    202,187,992,056.90x = 279,028,199,807.79 × 111,967,445,680.89
  4. Step 4: Simplify right side
    202,187,992,056.90x = 31,242,074,805,415,247,347,712
  5. Step 5: Solve for x
    x = 31,242,074,805,415,247,347,712/202,187,992,056.90
  6. Step 6: Final answer
    x = 154,519,932,106.67

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1.5x scale

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.