Home / 113,207,631.40-169,811,447.10-100,293,615.10

Finding the Fourth Proportional to 113,207,631.40, 169,811,447.10 and 100,293,615.10

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Solution

The fourth proportional to 113,207,631.40, 169,811,447.10 and 100,293,615.10 is: 150,440,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,207,631.40 : 169,811,447.10 = 100,293,615.10 : x
  2. Step 2: Convert to fraction form
    113,207,631.40/169,811,447.10 = 100,293,615.10/x
  3. Step 3: Cross multiply
    113,207,631.40x = 169,811,447.10 × 100,293,615.10
  4. Step 4: Simplify right side
    113,207,631.40x = 17,031,003,915,021,410
  5. Step 5: Solve for x
    x = 17,031,003,915,021,410/113,207,631.40
  6. Step 6: Final answer
    x = 150,440,422.65

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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.