Home / 98,340,030.80-147,510,046.20-47,321,694.80

Finding the Fourth Proportional to 98,340,030.80, 147,510,046.20 and 47,321,694.80

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Solution

The fourth proportional to 98,340,030.80, 147,510,046.20 and 47,321,694.80 is: 70,982,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,030.80 : 147,510,046.20 = 47,321,694.80 : x
  2. Step 2: Convert to fraction form
    98,340,030.80/147,510,046.20 = 47,321,694.80/x
  3. Step 3: Cross multiply
    98,340,030.80x = 147,510,046.20 × 47,321,694.80
  4. Step 4: Simplify right side
    98,340,030.80x = 6,980,425,386,210,299
  5. Step 5: Solve for x
    x = 6,980,425,386,210,299/98,340,030.80
  6. Step 6: Final answer
    x = 70,982,542.20

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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.