Home / 98,338,940.80-147,508,411.20-47,320,604.80

Finding the Fourth Proportional to 98,338,940.80, 147,508,411.20 and 47,320,604.80

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Solution

The fourth proportional to 98,338,940.80, 147,508,411.20 and 47,320,604.80 is: 70,980,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,338,940.80 : 147,508,411.20 = 47,320,604.80 : x
  2. Step 2: Convert to fraction form
    98,338,940.80/147,508,411.20 = 47,320,604.80/x
  3. Step 3: Cross multiply
    98,338,940.80x = 147,508,411.20 × 47,320,604.80
  4. Step 4: Simplify right side
    98,338,940.80x = 6,980,187,231,071,093
  5. Step 5: Solve for x
    x = 6,980,187,231,071,093/98,338,940.80
  6. Step 6: Final answer
    x = 70,980,907.20

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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.