Home / 51,711,782.84-71,362,741.68-28,507,740.17

Finding the Fourth Proportional to 51,711,782.84, 71,362,741.68 and 28,507,740.17

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Solution

The fourth proportional to 51,711,782.84, 71,362,741.68 and 28,507,740.17 is: 39,340,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711,782.84 : 71,362,741.68 = 28,507,740.17 : x
  2. Step 2: Convert to fraction form
    51,711,782.84/71,362,741.68 = 28,507,740.17/x
  3. Step 3: Cross multiply
    51,711,782.84x = 71,362,741.68 × 28,507,740.17
  4. Step 4: Simplify right side
    51,711,782.84x = 2,034,390,497,489,730.75
  5. Step 5: Solve for x
    x = 2,034,390,497,489,730.75/51,711,782.84
  6. Step 6: Final answer
    x = 39,340,946.80

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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.