Home / 85,376,858.76-117,820,040.16-46,218,606.48

Finding the Fourth Proportional to 85,376,858.76, 117,820,040.16 and 46,218,606.48

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Solution

The fourth proportional to 85,376,858.76, 117,820,040.16 and 46,218,606.48 is: 63,781,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,376,858.76 : 117,820,040.16 = 46,218,606.48 : x
  2. Step 2: Convert to fraction form
    85,376,858.76/117,820,040.16 = 46,218,606.48/x
  3. Step 3: Cross multiply
    85,376,858.76x = 117,820,040.16 × 46,218,606.48
  4. Step 4: Simplify right side
    85,376,858.76x = 5,445,478,071,612,836
  5. Step 5: Solve for x
    x = 5,445,478,071,612,836/85,376,858.76
  6. Step 6: Final answer
    x = 63,781,663.45

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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.