Home / 120,542,398,925.79-180,814,072,199.49-48,833,267,606.67

Finding the Fourth Proportional to 120,542,398,925.79, 180,814,072,199.49 and 48,833,267,606.67

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Solution

The fourth proportional to 120,542,398,925.79, 180,814,072,199.49 and 48,833,267,606.67 is: 73,250,093,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,542,398,925.79 : 180,814,072,199.49 = 48,833,267,606.67 : x
  2. Step 2: Convert to fraction form
    120,542,398,925.79/180,814,072,199.49 = 48,833,267,606.67/x
  3. Step 3: Cross multiply
    120,542,398,925.79x = 180,814,072,199.49 × 48,833,267,606.67
  4. Step 4: Simplify right side
    120,542,398,925.79x = 8,829,741,974,769,444,585,472
  5. Step 5: Solve for x
    x = 8,829,741,974,769,444,585,472/120,542,398,925.79
  6. Step 6: Final answer
    x = 73,250,093,356.82

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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.