Home / 118,210,006.20-177,315,009.30-102,054,199.80

Finding the Fourth Proportional to 118,210,006.20, 177,315,009.30 and 102,054,199.80

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Solution

The fourth proportional to 118,210,006.20, 177,315,009.30 and 102,054,199.80 is: 153,081,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,210,006.20 : 177,315,009.30 = 102,054,199.80 : x
  2. Step 2: Convert to fraction form
    118,210,006.20/177,315,009.30 = 102,054,199.80/x
  3. Step 3: Cross multiply
    118,210,006.20x = 177,315,009.30 × 102,054,199.80
  4. Step 4: Simplify right side
    118,210,006.20x = 18,095,741,386,641,060
  5. Step 5: Solve for x
    x = 18,095,741,386,641,060/118,210,006.20
  6. Step 6: Final answer
    x = 153,081,299.70

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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.