Home / 67,132,981.44-100,714,220.64-39,864,182.40

Finding the Fourth Proportional to 67,132,981.44, 100,714,220.64 and 39,864,182.40

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Solution

The fourth proportional to 67,132,981.44, 100,714,220.64 and 39,864,182.40 is: 59,805,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,132,981.44 : 100,714,220.64 = 39,864,182.40 : x
  2. Step 2: Convert to fraction form
    67,132,981.44/100,714,220.64 = 39,864,182.40/x
  3. Step 3: Cross multiply
    67,132,981.44x = 100,714,220.64 × 39,864,182.40
  4. Step 4: Simplify right side
    67,132,981.44x = 4,014,890,061,866,804.50
  5. Step 5: Solve for x
    x = 4,014,890,061,866,804.50/67,132,981.44
  6. Step 6: Final answer
    x = 59,805,031.38

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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.