Home / 74,830,920.80-112,162,400.40-31,692,783.20

Finding the Fourth Proportional to 74,830,920.80, 112,162,400.40 and 31,692,783.20

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Solution

The fourth proportional to 74,830,920.80, 112,162,400.40 and 31,692,783.20 is: 47,503,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830,920.80 : 112,162,400.40 = 31,692,783.20 : x
  2. Step 2: Convert to fraction form
    74,830,920.80/112,162,400.40 = 31,692,783.20/x
  3. Step 3: Cross multiply
    74,830,920.80x = 112,162,400.40 × 31,692,783.20
  4. Step 4: Simplify right side
    74,830,920.80x = 3,554,738,639,068,793.50
  5. Step 5: Solve for x
    x = 3,554,738,639,068,793.50/74,830,920.80
  6. Step 6: Final answer
    x = 47,503,606.81

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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.