Home / 140,020,489.80-210,029,045.18-36,380,524.46

Finding the Fourth Proportional to 140,020,489.80, 210,029,045.18 and 36,380,524.46

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Solution

The fourth proportional to 140,020,489.80, 210,029,045.18 and 36,380,524.46 is: 54,570,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,489.80 : 210,029,045.18 = 36,380,524.46 : x
  2. Step 2: Convert to fraction form
    140,020,489.80/210,029,045.18 = 36,380,524.46/x
  3. Step 3: Cross multiply
    140,020,489.80x = 210,029,045.18 × 36,380,524.46
  4. Step 4: Simplify right side
    140,020,489.80x = 7,640,966,814,249,387
  5. Step 5: Solve for x
    x = 7,640,966,814,249,387/140,020,489.80
  6. Step 6: Final answer
    x = 54,570,347.71

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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.