Home / 127,356,140.86-191,015,548.89-62,642,575.42

Finding the Fourth Proportional to 127,356,140.86, 191,015,548.89 and 62,642,575.42

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Solution

The fourth proportional to 127,356,140.86, 191,015,548.89 and 62,642,575.42 is: 93,954,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356,140.86 : 191,015,548.89 = 62,642,575.42 : x
  2. Step 2: Convert to fraction form
    127,356,140.86/191,015,548.89 = 62,642,575.42/x
  3. Step 3: Cross multiply
    127,356,140.86x = 191,015,548.89 × 62,642,575.42
  4. Step 4: Simplify right side
    127,356,140.86x = 11,965,705,927,734,522
  5. Step 5: Solve for x
    x = 11,965,705,927,734,522/127,356,140.86
  6. Step 6: Final answer
    x = 93,954,683.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.