Home / 55,090,848.60-82,536,740.10-47,128,224.60

Finding the Fourth Proportional to 55,090,848.60, 82,536,740.10 and 47,128,224.60

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Solution

The fourth proportional to 55,090,848.60, 82,536,740.10 and 47,128,224.60 is: 70,607,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090,848.60 : 82,536,740.10 = 47,128,224.60 : x
  2. Step 2: Convert to fraction form
    55,090,848.60/82,536,740.10 = 47,128,224.60/x
  3. Step 3: Cross multiply
    55,090,848.60x = 82,536,740.10 × 47,128,224.60
  4. Step 4: Simplify right side
    55,090,848.60x = 3,889,810,025,184,626.50
  5. Step 5: Solve for x
    x = 3,889,810,025,184,626.50/55,090,848.60
  6. Step 6: Final answer
    x = 70,607,190.20

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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.