Home / 125,639,364.60-188,612,574.30-71,089,898.40

Finding the Fourth Proportional to 125,639,364.60, 188,612,574.30 and 71,089,898.40

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Solution

The fourth proportional to 125,639,364.60, 188,612,574.30 and 71,089,898.40 is: 106,721,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639,364.60 : 188,612,574.30 = 71,089,898.40 : x
  2. Step 2: Convert to fraction form
    125,639,364.60/188,612,574.30 = 71,089,898.40/x
  3. Step 3: Cross multiply
    125,639,364.60x = 188,612,574.30 × 71,089,898.40
  4. Step 4: Simplify right side
    125,639,364.60x = 13,408,448,743,949,454
  5. Step 5: Solve for x
    x = 13,408,448,743,949,454/125,639,364.60
  6. Step 6: Final answer
    x = 106,721,717.25

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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.