Home / 31,153,143.44-42,991,335.40-17,402,107.44

Finding the Fourth Proportional to 31,153,143.44, 42,991,335.40 and 17,402,107.44

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Solution

The fourth proportional to 31,153,143.44, 42,991,335.40 and 17,402,107.44 is: 24,014,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153,143.44 : 42,991,335.40 = 17,402,107.44 : x
  2. Step 2: Convert to fraction form
    31,153,143.44/42,991,335.40 = 17,402,107.44/x
  3. Step 3: Cross multiply
    31,153,143.44x = 42,991,335.40 × 17,402,107.44
  4. Step 4: Simplify right side
    31,153,143.44x = 748,139,837,619,875.38
  5. Step 5: Solve for x
    x = 748,139,837,619,875.38/31,153,143.44
  6. Step 6: Final answer
    x = 24,014,906.84

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1.5x scale

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.