Home / 253,139,237.70-379,723,473.12-97,693,852.32

Finding the Fourth Proportional to 253,139,237.70, 379,723,473.12 and 97,693,852.32

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Solution

The fourth proportional to 253,139,237.70, 379,723,473.12 and 97,693,852.32 is: 146,546,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,139,237.70 : 379,723,473.12 = 97,693,852.32 : x
  2. Step 2: Convert to fraction form
    253,139,237.70/379,723,473.12 = 97,693,852.32/x
  3. Step 3: Cross multiply
    253,139,237.70x = 379,723,473.12 × 97,693,852.32
  4. Step 4: Simplify right side
    253,139,237.70x = 37,096,648,905,422,768
  5. Step 5: Solve for x
    x = 37,096,648,905,422,768/253,139,237.70
  6. Step 6: Final answer
    x = 146,546,419.44

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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.