Home / 358,859,513.77-538,289,270.96-86,230,280.77

Finding the Fourth Proportional to 358,859,513.77, 538,289,270.96 and 86,230,280.77

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Solution

The fourth proportional to 358,859,513.77, 538,289,270.96 and 86,230,280.77 is: 129,345,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,859,513.77 : 538,289,270.96 = 86,230,280.77 : x
  2. Step 2: Convert to fraction form
    358,859,513.77/538,289,270.96 = 86,230,280.77/x
  3. Step 3: Cross multiply
    358,859,513.77x = 538,289,270.96 × 86,230,280.77
  4. Step 4: Simplify right side
    358,859,513.77x = 46,416,834,968,582,536
  5. Step 5: Solve for x
    x = 46,416,834,968,582,536/358,859,513.77
  6. Step 6: Final answer
    x = 129,345,421.22

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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.