Home / 172,196,659.04-258,158,585.36-85,890,640.64

Finding the Fourth Proportional to 172,196,659.04, 258,158,585.36 and 85,890,640.64

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Solution

The fourth proportional to 172,196,659.04, 258,158,585.36 and 85,890,640.64 is: 128,767,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,196,659.04 : 258,158,585.36 = 85,890,640.64 : x
  2. Step 2: Convert to fraction form
    172,196,659.04/258,158,585.36 = 85,890,640.64/x
  3. Step 3: Cross multiply
    172,196,659.04x = 258,158,585.36 × 85,890,640.64
  4. Step 4: Simplify right side
    172,196,659.04x = 22,173,406,283,286,528
  5. Step 5: Solve for x
    x = 22,173,406,283,286,528/172,196,659.04
  6. Step 6: Final answer
    x = 128,767,923.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.