Home / 55,287,801.17-76,298,784.53-30,171,528.87

Finding the Fourth Proportional to 55,287,801.17, 76,298,784.53 and 30,171,528.87

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Solution

The fourth proportional to 55,287,801.17, 76,298,784.53 and 30,171,528.87 is: 41,637,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287,801.17 : 76,298,784.53 = 30,171,528.87 : x
  2. Step 2: Convert to fraction form
    55,287,801.17/76,298,784.53 = 30,171,528.87/x
  3. Step 3: Cross multiply
    55,287,801.17x = 76,298,784.53 × 30,171,528.87
  4. Step 4: Simplify right side
    55,287,801.17x = 2,302,050,980,192,804.50
  5. Step 5: Solve for x
    x = 2,302,050,980,192,804.50/55,287,801.17
  6. Step 6: Final answer
    x = 41,637,593.31

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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.