Home / 98,415,070.20-147,622,605.30-30,248,904.60

Finding the Fourth Proportional to 98,415,070.20, 147,622,605.30 and 30,248,904.60

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Solution

The fourth proportional to 98,415,070.20, 147,622,605.30 and 30,248,904.60 is: 45,373,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,070.20 : 147,622,605.30 = 30,248,904.60 : x
  2. Step 2: Convert to fraction form
    98,415,070.20/147,622,605.30 = 30,248,904.60/x
  3. Step 3: Cross multiply
    98,415,070.20x = 147,622,605.30 × 30,248,904.60
  4. Step 4: Simplify right side
    98,415,070.20x = 4,465,422,104,523,155
  5. Step 5: Solve for x
    x = 4,465,422,104,523,155/98,415,070.20
  6. Step 6: Final answer
    x = 45,373,356.90

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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.