Home / 115,710,112.40-172,542,856.66-114,671,549.84

Finding the Fourth Proportional to 115,710,112.40, 172,542,856.66 and 114,671,549.84

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Solution

The fourth proportional to 115,710,112.40, 172,542,856.66 and 114,671,549.84 is: 170,994,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,710,112.40 : 172,542,856.66 = 114,671,549.84 : x
  2. Step 2: Convert to fraction form
    115,710,112.40/172,542,856.66 = 114,671,549.84/x
  3. Step 3: Cross multiply
    115,710,112.40x = 172,542,856.66 × 114,671,549.84
  4. Step 4: Simplify right side
    115,710,112.40x = 19,785,756,787,023,168
  5. Step 5: Solve for x
    x = 19,785,756,787,023,168/115,710,112.40
  6. Step 6: Final answer
    x = 170,994,188.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.