Home / 116,650,739.32-160,979,366.28-64,438,680.40

Finding the Fourth Proportional to 116,650,739.32, 160,979,366.28 and 64,438,680.40

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Solution

The fourth proportional to 116,650,739.32, 160,979,366.28 and 64,438,680.40 is: 88,926,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,650,739.32 : 160,979,366.28 = 64,438,680.40 : x
  2. Step 2: Convert to fraction form
    116,650,739.32/160,979,366.28 = 64,438,680.40/x
  3. Step 3: Cross multiply
    116,650,739.32x = 160,979,366.28 × 64,438,680.40
  4. Step 4: Simplify right side
    116,650,739.32x = 10,373,297,934,550,654
  5. Step 5: Solve for x
    x = 10,373,297,934,550,654/116,650,739.32
  6. Step 6: Final answer
    x = 88,926,122.50

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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.