Home / 93,104,678.88-128,488,443.12-51,851,571.12

Finding the Fourth Proportional to 93,104,678.88, 128,488,443.12 and 51,851,571.12

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Solution

The fourth proportional to 93,104,678.88, 128,488,443.12 and 51,851,571.12 is: 71,557,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,104,678.88 : 128,488,443.12 = 51,851,571.12 : x
  2. Step 2: Convert to fraction form
    93,104,678.88/128,488,443.12 = 51,851,571.12/x
  3. Step 3: Cross multiply
    93,104,678.88x = 128,488,443.12 × 51,851,571.12
  4. Step 4: Simplify right side
    93,104,678.88x = 6,662,327,646,534,755
  5. Step 5: Solve for x
    x = 6,662,327,646,534,755/93,104,678.88
  6. Step 6: Final answer
    x = 71,557,388.16

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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.