Home / 86,579,301.60-129,868,967.16-21,883,292.64

Finding the Fourth Proportional to 86,579,301.60, 129,868,967.16 and 21,883,292.64

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Solution

The fourth proportional to 86,579,301.60, 129,868,967.16 and 21,883,292.64 is: 32,824,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579,301.60 : 129,868,967.16 = 21,883,292.64 : x
  2. Step 2: Convert to fraction form
    86,579,301.60/129,868,967.16 = 21,883,292.64/x
  3. Step 3: Cross multiply
    86,579,301.60x = 129,868,967.16 × 21,883,292.64
  4. Step 4: Simplify right side
    86,579,301.60x = 2,841,960,613,216,829.50
  5. Step 5: Solve for x
    x = 2,841,960,613,216,829.50/86,579,301.60
  6. Step 6: Final answer
    x = 32,824,942.69

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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.