Home / 213,652,746.45-320,473,140.98-68,095,042.38

Finding the Fourth Proportional to 213,652,746.45, 320,473,140.98 and 68,095,042.38

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Solution

The fourth proportional to 213,652,746.45, 320,473,140.98 and 68,095,042.38 is: 102,140,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,652,746.45 : 320,473,140.98 = 68,095,042.38 : x
  2. Step 2: Convert to fraction form
    213,652,746.45/320,473,140.98 = 68,095,042.38/x
  3. Step 3: Cross multiply
    213,652,746.45x = 320,473,140.98 × 68,095,042.38
  4. Step 4: Simplify right side
    213,652,746.45x = 21,822,632,116,344,340
  5. Step 5: Solve for x
    x = 21,822,632,116,344,340/213,652,746.45
  6. Step 6: Final answer
    x = 102,140,658.05

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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.