Home / 358,859,684.81-538,289,526.62-86,230,451.81

Finding the Fourth Proportional to 358,859,684.81, 538,289,526.62 and 86,230,451.81

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Solution

The fourth proportional to 358,859,684.81, 538,289,526.62 and 86,230,451.81 is: 129,345,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,859,684.81 : 538,289,526.62 = 86,230,451.81 : x
  2. Step 2: Convert to fraction form
    358,859,684.81/538,289,526.62 = 86,230,451.81/x
  3. Step 3: Cross multiply
    358,859,684.81x = 538,289,526.62 × 86,230,451.81
  4. Step 4: Simplify right side
    358,859,684.81x = 46,416,949,085,948,192
  5. Step 5: Solve for x
    x = 46,416,949,085,948,192/358,859,684.81
  6. Step 6: Final answer
    x = 129,345,677.57

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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.