Home / 57,837,873.72-79,817,080.10-31,731,917.16

Finding the Fourth Proportional to 57,837,873.72, 79,817,080.10 and 31,731,917.16

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Solution

The fourth proportional to 57,837,873.72, 79,817,080.10 and 31,731,917.16 is: 43,790,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,837,873.72 : 79,817,080.10 = 31,731,917.16 : x
  2. Step 2: Convert to fraction form
    57,837,873.72/79,817,080.10 = 31,731,917.16/x
  3. Step 3: Cross multiply
    57,837,873.72x = 79,817,080.10 × 31,731,917.16
  4. Step 4: Simplify right side
    57,837,873.72x = 2,532,748,973,686,284.50
  5. Step 5: Solve for x
    x = 2,532,748,973,686,284.50/57,837,873.72
  6. Step 6: Final answer
    x = 43,790,492.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.