Home / 125,741,125.60-188,611,688.40-119,788,986.40

Finding the Fourth Proportional to 125,741,125.60, 188,611,688.40 and 119,788,986.40

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Solution

The fourth proportional to 125,741,125.60, 188,611,688.40 and 119,788,986.40 is: 179,683,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741,125.60 : 188,611,688.40 = 119,788,986.40 : x
  2. Step 2: Convert to fraction form
    125,741,125.60/188,611,688.40 = 119,788,986.40/x
  3. Step 3: Cross multiply
    125,741,125.60x = 188,611,688.40 × 119,788,986.40
  4. Step 4: Simplify right side
    125,741,125.60x = 22,593,602,976,628,640
  5. Step 5: Solve for x
    x = 22,593,602,976,628,640/125,741,125.60
  6. Step 6: Final answer
    x = 179,683,479.60

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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.