Home / 105,191,026.41-157,786,540.20-28,514,054.28

Finding the Fourth Proportional to 105,191,026.41, 157,786,540.20 and 28,514,054.28

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Solution

The fourth proportional to 105,191,026.41, 157,786,540.20 and 28,514,054.28 is: 42,771,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,191,026.41 : 157,786,540.20 = 28,514,054.28 : x
  2. Step 2: Convert to fraction form
    105,191,026.41/157,786,540.20 = 28,514,054.28/x
  3. Step 3: Cross multiply
    105,191,026.41x = 157,786,540.20 × 28,514,054.28
  4. Step 4: Simplify right side
    105,191,026.41x = 4,499,133,971,916,202
  5. Step 5: Solve for x
    x = 4,499,133,971,916,202/105,191,026.41
  6. Step 6: Final answer
    x = 42,771,081.58

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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.