Home / 358,859,617.58-538,289,427.09-86,230,384.94

Finding the Fourth Proportional to 358,859,617.58, 538,289,427.09 and 86,230,384.94

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Solution

The fourth proportional to 358,859,617.58, 538,289,427.09 and 86,230,384.94 is: 129,345,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,859,617.58 : 538,289,427.09 = 86,230,384.94 : x
  2. Step 2: Convert to fraction form
    358,859,617.58/538,289,427.09 = 86,230,384.94/x
  3. Step 3: Cross multiply
    358,859,617.58x = 538,289,427.09 × 86,230,384.94
  4. Step 4: Simplify right side
    358,859,617.58x = 46,416,904,507,102,768
  5. Step 5: Solve for x
    x = 46,416,904,507,102,768/358,859,617.58
  6. Step 6: Final answer
    x = 129,345,577.58

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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.