Home / 127,872,039.40-191,808,059.10-116,156,717.80

Finding the Fourth Proportional to 127,872,039.40, 191,808,059.10 and 116,156,717.80

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Solution

The fourth proportional to 127,872,039.40, 191,808,059.10 and 116,156,717.80 is: 174,235,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,039.40 : 191,808,059.10 = 116,156,717.80 : x
  2. Step 2: Convert to fraction form
    127,872,039.40/191,808,059.10 = 116,156,717.80/x
  3. Step 3: Cross multiply
    127,872,039.40x = 191,808,059.10 × 116,156,717.80
  4. Step 4: Simplify right side
    127,872,039.40x = 22,279,794,592,644,420
  5. Step 5: Solve for x
    x = 22,279,794,592,644,420/127,872,039.40
  6. Step 6: Final answer
    x = 174,235,076.70

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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.