Home / 125,664,912.30-188,497,368.45-86,922,863.40

Finding the Fourth Proportional to 125,664,912.30, 188,497,368.45 and 86,922,863.40

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Solution

The fourth proportional to 125,664,912.30, 188,497,368.45 and 86,922,863.40 is: 130,384,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,664,912.30 : 188,497,368.45 = 86,922,863.40 : x
  2. Step 2: Convert to fraction form
    125,664,912.30/188,497,368.45 = 86,922,863.40/x
  3. Step 3: Cross multiply
    125,664,912.30x = 188,497,368.45 × 86,922,863.40
  4. Step 4: Simplify right side
    125,664,912.30x = 16,384,731,009,038,820
  5. Step 5: Solve for x
    x = 16,384,731,009,038,820/125,664,912.30
  6. Step 6: Final answer
    x = 130,384,295.10

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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.