Home / 203,517,722.07-305,237,643.57-79,020,353.52

Finding the Fourth Proportional to 203,517,722.07, 305,237,643.57 and 79,020,353.52

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Solution

The fourth proportional to 203,517,722.07, 305,237,643.57 and 79,020,353.52 is: 118,515,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,517,722.07 : 305,237,643.57 = 79,020,353.52 : x
  2. Step 2: Convert to fraction form
    203,517,722.07/305,237,643.57 = 79,020,353.52/x
  3. Step 3: Cross multiply
    203,517,722.07x = 305,237,643.57 × 79,020,353.52
  4. Step 4: Simplify right side
    203,517,722.07x = 24,119,986,502,513,152
  5. Step 5: Solve for x
    x = 24,119,986,502,513,152/203,517,722.07
  6. Step 6: Final answer
    x = 118,515,411.13

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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.