Home / 223,347,905.40-308,215,689.60-124,226,520.60

Finding the Fourth Proportional to 223,347,905.40, 308,215,689.60 and 124,226,520.60

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Solution

The fourth proportional to 223,347,905.40, 308,215,689.60 and 124,226,520.60 is: 171,430,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,347,905.40 : 308,215,689.60 = 124,226,520.60 : x
  2. Step 2: Convert to fraction form
    223,347,905.40/308,215,689.60 = 124,226,520.60/x
  3. Step 3: Cross multiply
    223,347,905.40x = 308,215,689.60 × 124,226,520.60
  4. Step 4: Simplify right side
    223,347,905.40x = 38,288,562,713,337,608
  5. Step 5: Solve for x
    x = 38,288,562,713,337,608/223,347,905.40
  6. Step 6: Final answer
    x = 171,430,140.10

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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.