Home / 127,872,389.40-191,808,584.10-116,157,067.80

Finding the Fourth Proportional to 127,872,389.40, 191,808,584.10 and 116,157,067.80

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Solution

The fourth proportional to 127,872,389.40, 191,808,584.10 and 116,157,067.80 is: 174,235,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,389.40 : 191,808,584.10 = 116,157,067.80 : x
  2. Step 2: Convert to fraction form
    127,872,389.40/191,808,584.10 = 116,157,067.80/x
  3. Step 3: Cross multiply
    127,872,389.40x = 191,808,584.10 × 116,157,067.80
  4. Step 4: Simplify right side
    127,872,389.40x = 22,279,922,707,925,700
  5. Step 5: Solve for x
    x = 22,279,922,707,925,700/127,872,389.40
  6. Step 6: Final answer
    x = 174,235,601.70

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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.