Home / 207,799,991.15-311,748,494.40-60,250,637.39

Finding the Fourth Proportional to 207,799,991.15, 311,748,494.40 and 60,250,637.39

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Solution

The fourth proportional to 207,799,991.15, 311,748,494.40 and 60,250,637.39 is: 90,390,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,799,991.15 : 311,748,494.40 = 60,250,637.39 : x
  2. Step 2: Convert to fraction form
    207,799,991.15/311,748,494.40 = 60,250,637.39/x
  3. Step 3: Cross multiply
    207,799,991.15x = 311,748,494.40 × 60,250,637.39
  4. Step 4: Simplify right side
    207,799,991.15x = 18,783,045,492,972,844
  5. Step 5: Solve for x
    x = 18,783,045,492,972,844/207,799,991.15
  6. Step 6: Final answer
    x = 90,390,020.66

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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.