Home / 72,348,135.96-99,841,335.59-39,308,936.74

Finding the Fourth Proportional to 72,348,135.96, 99,841,335.59 and 39,308,936.74

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Solution

The fourth proportional to 72,348,135.96, 99,841,335.59 and 39,308,936.74 is: 54,246,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348,135.96 : 99,841,335.59 = 39,308,936.74 : x
  2. Step 2: Convert to fraction form
    72,348,135.96/99,841,335.59 = 39,308,936.74/x
  3. Step 3: Cross multiply
    72,348,135.96x = 99,841,335.59 × 39,308,936.74
  4. Step 4: Simplify right side
    72,348,135.96x = 3,924,656,744,245,214
  5. Step 5: Solve for x
    x = 3,924,656,744,245,214/72,348,135.96
  6. Step 6: Final answer
    x = 54,246,826.02

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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.