Home / 140,017,512.09-210,026,268.14-37,781,385.69

Finding the Fourth Proportional to 140,017,512.09, 210,026,268.14 and 37,781,385.69

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Solution

The fourth proportional to 140,017,512.09, 210,026,268.14 and 37,781,385.69 is: 56,672,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,017,512.09 : 210,026,268.14 = 37,781,385.69 : x
  2. Step 2: Convert to fraction form
    140,017,512.09/210,026,268.14 = 37,781,385.69/x
  3. Step 3: Cross multiply
    140,017,512.09x = 210,026,268.14 × 37,781,385.69
  4. Step 4: Simplify right side
    140,017,512.09x = 7,935,083,441,439,791
  5. Step 5: Solve for x
    x = 7,935,083,441,439,791/140,017,512.09
  6. Step 6: Final answer
    x = 56,672,078.54

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1.5x scale

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.