Home / 155,341,428.17-214,451,769.31-113,478,486.53

Finding the Fourth Proportional to 155,341,428.17, 214,451,769.31 and 113,478,486.53

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Solution

The fourth proportional to 155,341,428.17, 214,451,769.31 and 113,478,486.53 is: 156,659,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,341,428.17 : 214,451,769.31 = 113,478,486.53 : x
  2. Step 2: Convert to fraction form
    155,341,428.17/214,451,769.31 = 113,478,486.53/x
  3. Step 3: Cross multiply
    155,341,428.17x = 214,451,769.31 × 113,478,486.53
  4. Step 4: Simplify right side
    155,341,428.17x = 24,335,662,213,623,548
  5. Step 5: Solve for x
    x = 24,335,662,213,623,548/155,341,428.17
  6. Step 6: Final answer
    x = 156,659,189.38

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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.