Home / 105,173,750.20-157,760,625.30-103,662,095.80

Finding the Fourth Proportional to 105,173,750.20, 157,760,625.30 and 103,662,095.80

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Solution

The fourth proportional to 105,173,750.20, 157,760,625.30 and 103,662,095.80 is: 155,493,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,173,750.20 : 157,760,625.30 = 103,662,095.80 : x
  2. Step 2: Convert to fraction form
    105,173,750.20/157,760,625.30 = 103,662,095.80/x
  3. Step 3: Cross multiply
    105,173,750.20x = 157,760,625.30 × 103,662,095.80
  4. Step 4: Simplify right side
    105,173,750.20x = 16,353,797,053,316,504
  5. Step 5: Solve for x
    x = 16,353,797,053,316,504/105,173,750.20
  6. Step 6: Final answer
    x = 155,493,143.70

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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.