Home / 357,419,418.57-535,822,077-124,219,835.49

Finding the Fourth Proportional to 357,419,418.57, 535,822,077 and 124,219,835.49

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Solution

The fourth proportional to 357,419,418.57, 535,822,077 and 124,219,835.49 is: 186,223,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,419,418.57 : 535,822,077 = 124,219,835.49 : x
  2. Step 2: Convert to fraction form
    357,419,418.57/535,822,077 = 124,219,835.49/x
  3. Step 3: Cross multiply
    357,419,418.57x = 535,822,077 × 124,219,835.49
  4. Step 4: Simplify right side
    357,419,418.57x = 66,559,730,256,850,112
  5. Step 5: Solve for x
    x = 66,559,730,256,850,112/357,419,418.57
  6. Step 6: Final answer
    x = 186,223,038.81

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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.