Home / 160,144,541.28-220,993,544.16-86,804,108.64

Finding the Fourth Proportional to 160,144,541.28, 220,993,544.16 and 86,804,108.64

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Solution

The fourth proportional to 160,144,541.28, 220,993,544.16 and 86,804,108.64 is: 119,786,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,144,541.28 : 220,993,544.16 = 86,804,108.64 : x
  2. Step 2: Convert to fraction form
    160,144,541.28/220,993,544.16 = 86,804,108.64/x
  3. Step 3: Cross multiply
    160,144,541.28x = 220,993,544.16 × 86,804,108.64
  4. Step 4: Simplify right side
    160,144,541.28x = 19,183,147,616,003,276
  5. Step 5: Solve for x
    x = 19,183,147,616,003,276/160,144,541.28
  6. Step 6: Final answer
    x = 119,786,459.55

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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.