Home / 118,236,869.64-163,165,338.90-66,026,822.76

Finding the Fourth Proportional to 118,236,869.64, 163,165,338.90 and 66,026,822.76

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Solution

The fourth proportional to 118,236,869.64, 163,165,338.90 and 66,026,822.76 is: 91,116,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,236,869.64 : 163,165,338.90 = 66,026,822.76 : x
  2. Step 2: Convert to fraction form
    118,236,869.64/163,165,338.90 = 66,026,822.76/x
  3. Step 3: Cross multiply
    118,236,869.64x = 163,165,338.90 × 66,026,822.76
  4. Step 4: Simplify right side
    118,236,869.64x = 10,773,288,912,125,634
  5. Step 5: Solve for x
    x = 10,773,288,912,125,634/118,236,869.64
  6. Step 6: Final answer
    x = 91,116,154.76

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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.