Home / 43,195,180.80-64,793,539.20-12,903,417.60

Finding the Fourth Proportional to 43,195,180.80, 64,793,539.20 and 12,903,417.60

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Solution

The fourth proportional to 43,195,180.80, 64,793,539.20 and 12,903,417.60 is: 19,355,355.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,195,180.80 : 64,793,539.20 = 12,903,417.60 : x
  2. Step 2: Convert to fraction form
    43,195,180.80/64,793,539.20 = 12,903,417.60/x
  3. Step 3: Cross multiply
    43,195,180.80x = 64,793,539.20 × 12,903,417.60
  4. Step 4: Simplify right side
    43,195,180.80x = 836,058,094,079,569.88
  5. Step 5: Solve for x
    x = 836,058,094,079,569.88/43,195,180.80
  6. Step 6: Final answer
    x = 19,355,355.82

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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.