Home / 86,970,399.60-130,455,599.40-58,304,953.20

Finding the Fourth Proportional to 86,970,399.60, 130,455,599.40 and 58,304,953.20

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Solution

The fourth proportional to 86,970,399.60, 130,455,599.40 and 58,304,953.20 is: 87,457,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,970,399.60 : 130,455,599.40 = 58,304,953.20 : x
  2. Step 2: Convert to fraction form
    86,970,399.60/130,455,599.40 = 58,304,953.20/x
  3. Step 3: Cross multiply
    86,970,399.60x = 130,455,599.40 × 58,304,953.20
  4. Step 4: Simplify right side
    86,970,399.60x = 7,606,207,617,694,949
  5. Step 5: Solve for x
    x = 7,606,207,617,694,949/86,970,399.60
  6. Step 6: Final answer
    x = 87,457,429.80

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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.