Home / 70,230,505.47-105,230,741.64-37,406,236.78

Finding the Fourth Proportional to 70,230,505.47, 105,230,741.64 and 37,406,236.78

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Solution

The fourth proportional to 70,230,505.47, 105,230,741.64 and 37,406,236.78 is: 56,048,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230,505.47 : 105,230,741.64 = 37,406,236.78 : x
  2. Step 2: Convert to fraction form
    70,230,505.47/105,230,741.64 = 37,406,236.78/x
  3. Step 3: Cross multiply
    70,230,505.47x = 105,230,741.64 × 37,406,236.78
  4. Step 4: Simplify right side
    70,230,505.47x = 3,936,286,038,320,845.50
  5. Step 5: Solve for x
    x = 3,936,286,038,320,845.50/70,230,505.47
  6. Step 6: Final answer
    x = 56,048,094.94

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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.