Home / 147,822,344.89-203,996,157.08-81,747,288.45

Finding the Fourth Proportional to 147,822,344.89, 203,996,157.08 and 81,747,288.45

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Solution

The fourth proportional to 147,822,344.89, 203,996,157.08 and 81,747,288.45 is: 112,811,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,344.89 : 203,996,157.08 = 81,747,288.45 : x
  2. Step 2: Convert to fraction form
    147,822,344.89/203,996,157.08 = 81,747,288.45/x
  3. Step 3: Cross multiply
    147,822,344.89x = 203,996,157.08 × 81,747,288.45
  4. Step 4: Simplify right side
    147,822,344.89x = 16,676,132,695,101,532
  5. Step 5: Solve for x
    x = 16,676,132,695,101,532/147,822,344.89
  6. Step 6: Final answer
    x = 112,811,988.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.