Home / 57,596,682.42-86,354,688.04-21,200,351.40

Finding the Fourth Proportional to 57,596,682.42, 86,354,688.04 and 21,200,351.40

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Solution

The fourth proportional to 57,596,682.42, 86,354,688.04 and 21,200,351.40 is: 31,785,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,596,682.42 : 86,354,688.04 = 21,200,351.40 : x
  2. Step 2: Convert to fraction form
    57,596,682.42/86,354,688.04 = 21,200,351.40/x
  3. Step 3: Cross multiply
    57,596,682.42x = 86,354,688.04 × 21,200,351.40
  4. Step 4: Simplify right side
    57,596,682.42x = 1,830,749,731,485,377.25
  5. Step 5: Solve for x
    x = 1,830,749,731,485,377.25/57,596,682.42
  6. Step 6: Final answer
    x = 31,785,680.26

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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.