Home / 140,893,124.16-211,390,027.92-85,673,306.28

Finding the Fourth Proportional to 140,893,124.16, 211,390,027.92 and 85,673,306.28

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Solution

The fourth proportional to 140,893,124.16, 211,390,027.92 and 85,673,306.28 is: 128,540,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,893,124.16 : 211,390,027.92 = 85,673,306.28 : x
  2. Step 2: Convert to fraction form
    140,893,124.16/211,390,027.92 = 85,673,306.28/x
  3. Step 3: Cross multiply
    140,893,124.16x = 211,390,027.92 × 85,673,306.28
  4. Step 4: Simplify right side
    140,893,124.16x = 18,110,482,606,527,912
  5. Step 5: Solve for x
    x = 18,110,482,606,527,912/140,893,124.16
  6. Step 6: Final answer
    x = 128,540,570.84

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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.