Home / 40,290,200.40-60,435,300.60-28,173,345.60

Finding the Fourth Proportional to 40,290,200.40, 60,435,300.60 and 28,173,345.60

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Solution

The fourth proportional to 40,290,200.40, 60,435,300.60 and 28,173,345.60 is: 42,260,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290,200.40 : 60,435,300.60 = 28,173,345.60 : x
  2. Step 2: Convert to fraction form
    40,290,200.40/60,435,300.60 = 28,173,345.60/x
  3. Step 3: Cross multiply
    40,290,200.40x = 60,435,300.60 × 28,173,345.60
  4. Step 4: Simplify right side
    40,290,200.40x = 1,702,664,610,243,687.50
  5. Step 5: Solve for x
    x = 1,702,664,610,243,687.50/40,290,200.40
  6. Step 6: Final answer
    x = 42,260,018.40

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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.