Home / 118,355,761.92-163,335,995.64-66,144,796.04

Finding the Fourth Proportional to 118,355,761.92, 163,335,995.64 and 66,144,796.04

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Solution

The fourth proportional to 118,355,761.92, 163,335,995.64 and 66,144,796.04 is: 91,282,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,761.92 : 163,335,995.64 = 66,144,796.04 : x
  2. Step 2: Convert to fraction form
    118,355,761.92/163,335,995.64 = 66,144,796.04/x
  3. Step 3: Cross multiply
    118,355,761.92x = 163,335,995.64 × 66,144,796.04
  4. Step 4: Simplify right side
    118,355,761.92x = 10,803,826,118,006,468
  5. Step 5: Solve for x
    x = 10,803,826,118,006,468/118,355,761.92
  6. Step 6: Final answer
    x = 91,282,637.56

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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.