Home / 180,023,397.84-248,427,157.20-105,682,762.80

Finding the Fourth Proportional to 180,023,397.84, 248,427,157.20 and 105,682,762.80

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Solution

The fourth proportional to 180,023,397.84, 248,427,157.20 and 105,682,762.80 is: 145,839,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,023,397.84 : 248,427,157.20 = 105,682,762.80 : x
  2. Step 2: Convert to fraction form
    180,023,397.84/248,427,157.20 = 105,682,762.80/x
  3. Step 3: Cross multiply
    180,023,397.84x = 248,427,157.20 × 105,682,762.80
  4. Step 4: Simplify right side
    180,023,397.84x = 26,254,468,327,445,912
  5. Step 5: Solve for x
    x = 26,254,468,327,445,912/180,023,397.84
  6. Step 6: Final answer
    x = 145,839,200.03

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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.