Home / 53,416,003.20-80,124,004.80-51,325,814.40

Finding the Fourth Proportional to 53,416,003.20, 80,124,004.80 and 51,325,814.40

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Solution

The fourth proportional to 53,416,003.20, 80,124,004.80 and 51,325,814.40 is: 76,988,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,416,003.20 : 80,124,004.80 = 51,325,814.40 : x
  2. Step 2: Convert to fraction form
    53,416,003.20/80,124,004.80 = 51,325,814.40/x
  3. Step 3: Cross multiply
    53,416,003.20x = 80,124,004.80 × 51,325,814.40
  4. Step 4: Simplify right side
    53,416,003.20x = 4,112,429,799,349,509
  5. Step 5: Solve for x
    x = 4,112,429,799,349,509/53,416,003.20
  6. Step 6: Final answer
    x = 76,988,721.60

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1.5x scale

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.