Home / 410,634,262.66-615,951,401.10-99,739,783.71

Finding the Fourth Proportional to 410,634,262.66, 615,951,401.10 and 99,739,783.71

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Solution

The fourth proportional to 410,634,262.66, 615,951,401.10 and 99,739,783.71 is: 149,609,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,634,262.66 : 615,951,401.10 = 99,739,783.71 : x
  2. Step 2: Convert to fraction form
    410,634,262.66/615,951,401.10 = 99,739,783.71/x
  3. Step 3: Cross multiply
    410,634,262.66x = 615,951,401.10 × 99,739,783.71
  4. Step 4: Simplify right side
    410,634,262.66x = 61,434,859,520,889,896
  5. Step 5: Solve for x
    x = 61,434,859,520,889,896/410,634,262.66
  6. Step 6: Final answer
    x = 149,609,677.29

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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.