Home / 358,859,618.96-538,289,429.16-86,230,386.32

Finding the Fourth Proportional to 358,859,618.96, 538,289,429.16 and 86,230,386.32

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Solution

The fourth proportional to 358,859,618.96, 538,289,429.16 and 86,230,386.32 is: 129,345,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,859,618.96 : 538,289,429.16 = 86,230,386.32 : x
  2. Step 2: Convert to fraction form
    358,859,618.96/538,289,429.16 = 86,230,386.32/x
  3. Step 3: Cross multiply
    358,859,618.96x = 538,289,429.16 × 86,230,386.32
  4. Step 4: Simplify right side
    358,859,618.96x = 46,416,905,425,747,624
  5. Step 5: Solve for x
    x = 46,416,905,425,747,624/358,859,618.96
  6. Step 6: Final answer
    x = 129,345,579.65

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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.