Home / 152,697,789.68-210,716,744.67-86,616,869.36

Finding the Fourth Proportional to 152,697,789.68, 210,716,744.67 and 86,616,869.36

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Solution

The fourth proportional to 152,697,789.68, 210,716,744.67 and 86,616,869.36 is: 119,527,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,697,789.68 : 210,716,744.67 = 86,616,869.36 : x
  2. Step 2: Convert to fraction form
    152,697,789.68/210,716,744.67 = 86,616,869.36/x
  3. Step 3: Cross multiply
    152,697,789.68x = 210,716,744.67 × 86,616,869.36
  4. Step 4: Simplify right side
    152,697,789.68x = 18,251,624,743,992,284
  5. Step 5: Solve for x
    x = 18,251,624,743,992,284/152,697,789.68
  6. Step 6: Final answer
    x = 119,527,759.92

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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.