Home / 118,641,038.28-163,727,269.92-67,718,848.60

Finding the Fourth Proportional to 118,641,038.28, 163,727,269.92 and 67,718,848.60

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Solution

The fourth proportional to 118,641,038.28, 163,727,269.92 and 67,718,848.60 is: 93,453,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641,038.28 : 163,727,269.92 = 67,718,848.60 : x
  2. Step 2: Convert to fraction form
    118,641,038.28/163,727,269.92 = 67,718,848.60/x
  3. Step 3: Cross multiply
    118,641,038.28x = 163,727,269.92 × 67,718,848.60
  4. Step 4: Simplify right side
    118,641,038.28x = 11,087,422,203,403,812
  5. Step 5: Solve for x
    x = 11,087,422,203,403,812/118,641,038.28
  6. Step 6: Final answer
    x = 93,453,516.29

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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.