Home / 118,446,347.79-163,460,423.52-66,235,265.73

Finding the Fourth Proportional to 118,446,347.79, 163,460,423.52 and 66,235,265.73

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Solution

The fourth proportional to 118,446,347.79, 163,460,423.52 and 66,235,265.73 is: 91,407,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,446,347.79 : 163,460,423.52 = 66,235,265.73 : x
  2. Step 2: Convert to fraction form
    118,446,347.79/163,460,423.52 = 66,235,265.73/x
  3. Step 3: Cross multiply
    118,446,347.79x = 163,460,423.52 × 66,235,265.73
  4. Step 4: Simplify right side
    118,446,347.79x = 10,826,844,588,185,542
  5. Step 5: Solve for x
    x = 10,826,844,588,185,542/118,446,347.79
  6. Step 6: Final answer
    x = 91,407,162.74

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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.