Home / 193,554,378.60-290,331,567.90-65,903,562.60

Finding the Fourth Proportional to 193,554,378.60, 290,331,567.90 and 65,903,562.60

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Solution

The fourth proportional to 193,554,378.60, 290,331,567.90 and 65,903,562.60 is: 98,855,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,554,378.60 : 290,331,567.90 = 65,903,562.60 : x
  2. Step 2: Convert to fraction form
    193,554,378.60/290,331,567.90 = 65,903,562.60/x
  3. Step 3: Cross multiply
    193,554,378.60x = 290,331,567.90 × 65,903,562.60
  4. Step 4: Simplify right side
    193,554,378.60x = 19,133,884,659,853,800
  5. Step 5: Solve for x
    x = 19,133,884,659,853,800/193,554,378.60
  6. Step 6: Final answer
    x = 98,855,343.90

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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.