Home / 98,413,695.20-147,620,542.80-47,283,384.80

Finding the Fourth Proportional to 98,413,695.20, 147,620,542.80 and 47,283,384.80

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Solution

The fourth proportional to 98,413,695.20, 147,620,542.80 and 47,283,384.80 is: 70,925,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413,695.20 : 147,620,542.80 = 47,283,384.80 : x
  2. Step 2: Convert to fraction form
    98,413,695.20/147,620,542.80 = 47,283,384.80/x
  3. Step 3: Cross multiply
    98,413,695.20x = 147,620,542.80 × 47,283,384.80
  4. Step 4: Simplify right side
    98,413,695.20x = 6,979,998,929,597,270
  5. Step 5: Solve for x
    x = 6,979,998,929,597,270/98,413,695.20
  6. Step 6: Final answer
    x = 70,925,077.20

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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.