Home / 119,892,506.95-179,515,412.87-78,290,327.53

Finding the Fourth Proportional to 119,892,506.95, 179,515,412.87 and 78,290,327.53

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Solution

The fourth proportional to 119,892,506.95, 179,515,412.87 and 78,290,327.53 is: 117,224,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,892,506.95 : 179,515,412.87 = 78,290,327.53 : x
  2. Step 2: Convert to fraction form
    119,892,506.95/179,515,412.87 = 78,290,327.53/x
  3. Step 3: Cross multiply
    119,892,506.95x = 179,515,412.87 × 78,290,327.53
  4. Step 4: Simplify right side
    119,892,506.95x = 14,054,320,470,275,478
  5. Step 5: Solve for x
    x = 14,054,320,470,275,478/119,892,506.95
  6. Step 6: Final answer
    x = 117,224,343.94

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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.