Home / 85,562,087-128,342,930.90-56,203,594.84

Finding the Fourth Proportional to 85,562,087, 128,342,930.90 and 56,203,594.84

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Solution

The fourth proportional to 85,562,087, 128,342,930.90 and 56,203,594.84 is: 84,305,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,562,087 : 128,342,930.90 = 56,203,594.84 : x
  2. Step 2: Convert to fraction form
    85,562,087/128,342,930.90 = 56,203,594.84/x
  3. Step 3: Cross multiply
    85,562,087x = 128,342,930.90 × 56,203,594.84
  4. Step 4: Simplify right side
    85,562,087x = 7,213,334,089,343,083
  5. Step 5: Solve for x
    x = 7,213,334,089,343,083/85,562,087
  6. Step 6: Final answer
    x = 84,305,261.15

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1.5x scale

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.