Home / 179,201,416.80-268,613,168.40-69,984,386.40

Finding the Fourth Proportional to 179,201,416.80, 268,613,168.40 and 69,984,386.40

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Solution

The fourth proportional to 179,201,416.80, 268,613,168.40 and 69,984,386.40 is: 104,902,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,201,416.80 : 268,613,168.40 = 69,984,386.40 : x
  2. Step 2: Convert to fraction form
    179,201,416.80/268,613,168.40 = 69,984,386.40/x
  3. Step 3: Cross multiply
    179,201,416.80x = 268,613,168.40 × 69,984,386.40
  4. Step 4: Simplify right side
    179,201,416.80x = 18,798,727,769,433,868
  5. Step 5: Solve for x
    x = 18,798,727,769,433,868/179,201,416.80
  6. Step 6: Final answer
    x = 104,902,785.40

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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.