Home / 98,010,158.40-146,979,808.20-49,471,880.40

Finding the Fourth Proportional to 98,010,158.40, 146,979,808.20 and 49,471,880.40

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Solution

The fourth proportional to 98,010,158.40, 146,979,808.20 and 49,471,880.40 is: 74,189,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010,158.40 : 146,979,808.20 = 49,471,880.40 : x
  2. Step 2: Convert to fraction form
    98,010,158.40/146,979,808.20 = 49,471,880.40/x
  3. Step 3: Cross multiply
    98,010,158.40x = 146,979,808.20 × 49,471,880.40
  4. Step 4: Simplify right side
    98,010,158.40x = 7,271,367,492,485,338
  5. Step 5: Solve for x
    x = 7,271,367,492,485,338/98,010,158.40
  6. Step 6: Final answer
    x = 74,189,937.16

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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.