Home / 185,389,384.40-278,183,609.40-77,694,894.80

Finding the Fourth Proportional to 185,389,384.40, 278,183,609.40 and 77,694,894.80

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Solution

The fourth proportional to 185,389,384.40, 278,183,609.40 and 77,694,894.80 is: 116,584,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,389,384.40 : 278,183,609.40 = 77,694,894.80 : x
  2. Step 2: Convert to fraction form
    185,389,384.40/278,183,609.40 = 77,694,894.80/x
  3. Step 3: Cross multiply
    185,389,384.40x = 278,183,609.40 × 77,694,894.80
  4. Step 4: Simplify right side
    185,389,384.40x = 21,613,446,267,417,288
  5. Step 5: Solve for x
    x = 21,613,446,267,417,288/185,389,384.40
  6. Step 6: Final answer
    x = 116,584,055.43

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1.5x scale

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.