Home / 57,782,108.42-79,739,302.75-31,676,810.69

Finding the Fourth Proportional to 57,782,108.42, 79,739,302.75 and 31,676,810.69

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Solution

The fourth proportional to 57,782,108.42, 79,739,302.75 and 31,676,810.69 is: 43,713,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782,108.42 : 79,739,302.75 = 31,676,810.69 : x
  2. Step 2: Convert to fraction form
    57,782,108.42/79,739,302.75 = 31,676,810.69/x
  3. Step 3: Cross multiply
    57,782,108.42x = 79,739,302.75 × 31,676,810.69
  4. Step 4: Simplify right side
    57,782,108.42x = 2,525,886,797,884,502.50
  5. Step 5: Solve for x
    x = 2,525,886,797,884,502.50/57,782,108.42
  6. Step 6: Final answer
    x = 43,713,994.99

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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.