Home / 154,500,379.88-213,207,095.30-83,934,166.46

Finding the Fourth Proportional to 154,500,379.88, 213,207,095.30 and 83,934,166.46

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Solution

The fourth proportional to 154,500,379.88, 213,207,095.30 and 83,934,166.46 is: 115,827,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,500,379.88 : 213,207,095.30 = 83,934,166.46 : x
  2. Step 2: Convert to fraction form
    154,500,379.88/213,207,095.30 = 83,934,166.46/x
  3. Step 3: Cross multiply
    154,500,379.88x = 213,207,095.30 × 83,934,166.46
  4. Step 4: Simplify right side
    154,500,379.88x = 17,895,359,827,363,284
  5. Step 5: Solve for x
    x = 17,895,359,827,363,284/154,500,379.88
  6. Step 6: Final answer
    x = 115,827,286.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.