Home / 118,471,721.03-163,490,033.84-66,260,715.51

Finding the Fourth Proportional to 118,471,721.03, 163,490,033.84 and 66,260,715.51

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Solution

The fourth proportional to 118,471,721.03, 163,490,033.84 and 66,260,715.51 is: 91,439,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,471,721.03 : 163,490,033.84 = 66,260,715.51 : x
  2. Step 2: Convert to fraction form
    118,471,721.03/163,490,033.84 = 66,260,715.51/x
  3. Step 3: Cross multiply
    118,471,721.03x = 163,490,033.84 × 66,260,715.51
  4. Step 4: Simplify right side
    118,471,721.03x = 10,832,966,620,992,512
  5. Step 5: Solve for x
    x = 10,832,966,620,992,512/118,471,721.03
  6. Step 6: Final answer
    x = 91,439,261.01

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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.