Home / 98,280,030.20-147,420,045.30-30,113,864.60

Finding the Fourth Proportional to 98,280,030.20, 147,420,045.30 and 30,113,864.60

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Solution

The fourth proportional to 98,280,030.20, 147,420,045.30 and 30,113,864.60 is: 45,170,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,280,030.20 : 147,420,045.30 = 30,113,864.60 : x
  2. Step 2: Convert to fraction form
    98,280,030.20/147,420,045.30 = 30,113,864.60/x
  3. Step 3: Cross multiply
    98,280,030.20x = 147,420,045.30 × 30,113,864.60
  4. Step 4: Simplify right side
    98,280,030.20x = 4,439,387,283,490,067
  5. Step 5: Solve for x
    x = 4,439,387,283,490,067/98,280,030.20
  6. Step 6: Final answer
    x = 45,170,796.90

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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.