Home / 36,720,512.40-55,080,768.60-30,337,971.60

Finding the Fourth Proportional to 36,720,512.40, 55,080,768.60 and 30,337,971.60

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Solution

The fourth proportional to 36,720,512.40, 55,080,768.60 and 30,337,971.60 is: 45,506,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720,512.40 : 55,080,768.60 = 30,337,971.60 : x
  2. Step 2: Convert to fraction form
    36,720,512.40/55,080,768.60 = 30,337,971.60/x
  3. Step 3: Cross multiply
    36,720,512.40x = 55,080,768.60 × 30,337,971.60
  4. Step 4: Simplify right side
    36,720,512.40x = 1,671,038,793,492,972
  5. Step 5: Solve for x
    x = 1,671,038,793,492,972/36,720,512.40
  6. Step 6: Final answer
    x = 45,506,957.40

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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.