Home / 56,685,090.60-85,035,930.30-18,340,079.40

Finding the Fourth Proportional to 56,685,090.60, 85,035,930.30 and 18,340,079.40

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Solution

The fourth proportional to 56,685,090.60, 85,035,930.30 and 18,340,079.40 is: 27,512,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,090.60 : 85,035,930.30 = 18,340,079.40 : x
  2. Step 2: Convert to fraction form
    56,685,090.60/85,035,930.30 = 18,340,079.40/x
  3. Step 3: Cross multiply
    56,685,090.60x = 85,035,930.30 × 18,340,079.40
  4. Step 4: Simplify right side
    56,685,090.60x = 1,559,565,713,554,865.75
  5. Step 5: Solve for x
    x = 1,559,565,713,554,865.75/56,685,090.60
  6. Step 6: Final answer
    x = 27,512,802.70

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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.