Home / 391,373,759.04-540,096,134.90-215,164,752.41

Finding the Fourth Proportional to 391,373,759.04, 540,096,134.90 and 215,164,752.41

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Solution

The fourth proportional to 391,373,759.04, 540,096,134.90 and 215,164,752.41 is: 296,927,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,373,759.04 : 540,096,134.90 = 215,164,752.41 : x
  2. Step 2: Convert to fraction form
    391,373,759.04/540,096,134.90 = 215,164,752.41/x
  3. Step 3: Cross multiply
    391,373,759.04x = 540,096,134.90 × 215,164,752.41
  4. Step 4: Simplify right side
    391,373,759.04x = 116,209,651,139,580,160
  5. Step 5: Solve for x
    x = 116,209,651,139,580,160/391,373,759.04
  6. Step 6: Final answer
    x = 296,927,549.32

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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.