Home / 118,077,296.10-163,005,661.54-73,437,656.81

Finding the Fourth Proportional to 118,077,296.10, 163,005,661.54 and 73,437,656.81

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Solution

The fourth proportional to 118,077,296.10, 163,005,661.54 and 73,437,656.81 is: 101,380,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,077,296.10 : 163,005,661.54 = 73,437,656.81 : x
  2. Step 2: Convert to fraction form
    118,077,296.10/163,005,661.54 = 73,437,656.81/x
  3. Step 3: Cross multiply
    118,077,296.10x = 163,005,661.54 × 73,437,656.81
  4. Step 4: Simplify right side
    118,077,296.10x = 11,970,753,829,538,306
  5. Step 5: Solve for x
    x = 11,970,753,829,538,306/118,077,296.10
  6. Step 6: Final answer
    x = 101,380,656.78

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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.