Home / 145,497,984.62-200,757,245.42-83,606,365.76

Finding the Fourth Proportional to 145,497,984.62, 200,757,245.42 and 83,606,365.76

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Solution

The fourth proportional to 145,497,984.62, 200,757,245.42 and 83,606,365.76 is: 115,359,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497,984.62 : 200,757,245.42 = 83,606,365.76 : x
  2. Step 2: Convert to fraction form
    145,497,984.62/200,757,245.42 = 83,606,365.76/x
  3. Step 3: Cross multiply
    145,497,984.62x = 200,757,245.42 × 83,606,365.76
  4. Step 4: Simplify right side
    145,497,984.62x = 16,784,583,688,759,834
  5. Step 5: Solve for x
    x = 16,784,583,688,759,834/145,497,984.62
  6. Step 6: Final answer
    x = 115,359,561.39

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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.