Home / 306,086,978.61-459,130,800.21-76,056,063.15

Finding the Fourth Proportional to 306,086,978.61, 459,130,800.21 and 76,056,063.15

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Solution

The fourth proportional to 306,086,978.61, 459,130,800.21 and 76,056,063.15 is: 114,084,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,086,978.61 : 459,130,800.21 = 76,056,063.15 : x
  2. Step 2: Convert to fraction form
    306,086,978.61/459,130,800.21 = 76,056,063.15/x
  3. Step 3: Cross multiply
    306,086,978.61x = 459,130,800.21 × 76,056,063.15
  4. Step 4: Simplify right side
    306,086,978.61x = 34,919,681,134,881,796
  5. Step 5: Solve for x
    x = 34,919,681,134,881,796/306,086,978.61
  6. Step 6: Final answer
    x = 114,084,177.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.