Home / 325,187,877.60-487,620,415.80-117,918,014.40

Finding the Fourth Proportional to 325,187,877.60, 487,620,415.80 and 117,918,014.40

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Solution

The fourth proportional to 325,187,877.60, 487,620,415.80 and 117,918,014.40 is: 176,818,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,187,877.60 : 487,620,415.80 = 117,918,014.40 : x
  2. Step 2: Convert to fraction form
    325,187,877.60/487,620,415.80 = 117,918,014.40/x
  3. Step 3: Cross multiply
    325,187,877.60x = 487,620,415.80 × 117,918,014.40
  4. Step 4: Simplify right side
    325,187,877.60x = 57,499,231,212,038,392
  5. Step 5: Solve for x
    x = 57,499,231,212,038,392/325,187,877.60
  6. Step 6: Final answer
    x = 176,818,495.32

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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.