Home / 86,616,003.20-129,924,004.80-26,031,729.20

Finding the Fourth Proportional to 86,616,003.20, 129,924,004.80 and 26,031,729.20

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Solution

The fourth proportional to 86,616,003.20, 129,924,004.80 and 26,031,729.20 is: 39,047,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,616,003.20 : 129,924,004.80 = 26,031,729.20 : x
  2. Step 2: Convert to fraction form
    86,616,003.20/129,924,004.80 = 26,031,729.20/x
  3. Step 3: Cross multiply
    86,616,003.20x = 129,924,004.80 × 26,031,729.20
  4. Step 4: Simplify right side
    86,616,003.20x = 3,382,146,509,533,100
  5. Step 5: Solve for x
    x = 3,382,146,509,533,100/86,616,003.20
  6. Step 6: Final answer
    x = 39,047,593.80

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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.