Home / 53,196,220.64-79,808,546.46-19,117,861.76

Finding the Fourth Proportional to 53,196,220.64, 79,808,546.46 and 19,117,861.76

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Solution

The fourth proportional to 53,196,220.64, 79,808,546.46 and 19,117,861.76 is: 28,681,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,196,220.64 : 79,808,546.46 = 19,117,861.76 : x
  2. Step 2: Convert to fraction form
    53,196,220.64/79,808,546.46 = 19,117,861.76/x
  3. Step 3: Cross multiply
    53,196,220.64x = 79,808,546.46 × 19,117,861.76
  4. Step 4: Simplify right side
    53,196,220.64x = 1,525,768,758,488,817.50
  5. Step 5: Solve for x
    x = 1,525,768,758,488,817.50/53,196,220.64
  6. Step 6: Final answer
    x = 28,681,901.46

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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.