Home / 120,772,315,211.68-166,666,298,399.61-66,577,673,271.67

Finding the Fourth Proportional to 120,772,315,211.68, 166,666,298,399.61 and 66,577,673,271.67

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Solution

The fourth proportional to 120,772,315,211.68, 166,666,298,399.61 and 66,577,673,271.67 is: 91,877,466,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,772,315,211.68 : 166,666,298,399.61 = 66,577,673,271.67 : x
  2. Step 2: Convert to fraction form
    120,772,315,211.68/166,666,298,399.61 = 66,577,673,271.67/x
  3. Step 3: Cross multiply
    120,772,315,211.68x = 166,666,298,399.61 × 66,577,673,271.67
  4. Step 4: Simplify right side
    120,772,315,211.68x = 11,096,254,360,247,890,608,128
  5. Step 5: Solve for x
    x = 11,096,254,360,247,890,608,128/120,772,315,211.68
  6. Step 6: Final answer
    x = 91,877,466,626.35

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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.