Home / 79,261,411.60-118,892,117.40-25,414,166.80

Finding the Fourth Proportional to 79,261,411.60, 118,892,117.40 and 25,414,166.80

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Solution

The fourth proportional to 79,261,411.60, 118,892,117.40 and 25,414,166.80 is: 38,121,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261,411.60 : 118,892,117.40 = 25,414,166.80 : x
  2. Step 2: Convert to fraction form
    79,261,411.60/118,892,117.40 = 25,414,166.80/x
  3. Step 3: Cross multiply
    79,261,411.60x = 118,892,117.40 × 25,414,166.80
  4. Step 4: Simplify right side
    79,261,411.60x = 3,021,544,102,808,782.50
  5. Step 5: Solve for x
    x = 3,021,544,102,808,782.50/79,261,411.60
  6. Step 6: Final answer
    x = 38,121,250.20

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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.