Home / 43,357,749.93-65,072,403.39-21,798,478.89

Finding the Fourth Proportional to 43,357,749.93, 65,072,403.39 and 21,798,478.89

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Solution

The fourth proportional to 43,357,749.93, 65,072,403.39 and 21,798,478.89 is: 32,715,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357,749.93 : 65,072,403.39 = 21,798,478.89 : x
  2. Step 2: Convert to fraction form
    43,357,749.93/65,072,403.39 = 21,798,478.89/x
  3. Step 3: Cross multiply
    43,357,749.93x = 65,072,403.39 × 21,798,478.89
  4. Step 4: Simplify right side
    43,357,749.93x = 1,418,479,411,618,479.50
  5. Step 5: Solve for x
    x = 1,418,479,411,618,479.50/43,357,749.93
  6. Step 6: Final answer
    x = 32,715,706.28

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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.