Home / 52,318,284.90-78,477,427.35-40,968,435.30

Finding the Fourth Proportional to 52,318,284.90, 78,477,427.35 and 40,968,435.30

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Solution

The fourth proportional to 52,318,284.90, 78,477,427.35 and 40,968,435.30 is: 61,452,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318,284.90 : 78,477,427.35 = 40,968,435.30 : x
  2. Step 2: Convert to fraction form
    52,318,284.90/78,477,427.35 = 40,968,435.30/x
  3. Step 3: Cross multiply
    52,318,284.90x = 78,477,427.35 × 40,968,435.30
  4. Step 4: Simplify right side
    52,318,284.90x = 3,215,097,404,898,925
  5. Step 5: Solve for x
    x = 3,215,097,404,898,925/52,318,284.90
  6. Step 6: Final answer
    x = 61,452,652.95

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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.