Home / 193,554,138.60-290,331,207.90-65,903,322.60

Finding the Fourth Proportional to 193,554,138.60, 290,331,207.90 and 65,903,322.60

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Solution

The fourth proportional to 193,554,138.60, 290,331,207.90 and 65,903,322.60 is: 98,854,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,554,138.60 : 290,331,207.90 = 65,903,322.60 : x
  2. Step 2: Convert to fraction form
    193,554,138.60/290,331,207.90 = 65,903,322.60/x
  3. Step 3: Cross multiply
    193,554,138.60x = 290,331,207.90 × 65,903,322.60
  4. Step 4: Simplify right side
    193,554,138.60x = 19,133,791,255,081,368
  5. Step 5: Solve for x
    x = 19,133,791,255,081,368/193,554,138.60
  6. Step 6: Final answer
    x = 98,854,983.90

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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.