Home / 158,879,828.43-219,256,785.17-87,355,732.01

Finding the Fourth Proportional to 158,879,828.43, 219,256,785.17 and 87,355,732.01

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Solution

The fourth proportional to 158,879,828.43, 219,256,785.17 and 87,355,732.01 is: 120,552,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,879,828.43 : 219,256,785.17 = 87,355,732.01 : x
  2. Step 2: Convert to fraction form
    158,879,828.43/219,256,785.17 = 87,355,732.01/x
  3. Step 3: Cross multiply
    158,879,828.43x = 219,256,785.17 × 87,355,732.01
  4. Step 4: Simplify right side
    158,879,828.43x = 19,153,336,965,806,768
  5. Step 5: Solve for x
    x = 19,153,336,965,806,768/158,879,828.43
  6. Step 6: Final answer
    x = 120,552,351.77

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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.