Home / 119,319,590.20-164,567,751.46-77,517,124.28

Finding the Fourth Proportional to 119,319,590.20, 164,567,751.46 and 77,517,124.28

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Solution

The fourth proportional to 119,319,590.20, 164,567,751.46 and 77,517,124.28 is: 106,913,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,319,590.20 : 164,567,751.46 = 77,517,124.28 : x
  2. Step 2: Convert to fraction form
    119,319,590.20/164,567,751.46 = 77,517,124.28/x
  3. Step 3: Cross multiply
    119,319,590.20x = 164,567,751.46 × 77,517,124.28
  4. Step 4: Simplify right side
    119,319,590.20x = 12,756,818,842,404,972
  5. Step 5: Solve for x
    x = 12,756,818,842,404,972/119,319,590.20
  6. Step 6: Final answer
    x = 106,913,029.29

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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.