Home / 98,007,465.40-147,011,198.10-82,701,964.60

Finding the Fourth Proportional to 98,007,465.40, 147,011,198.10 and 82,701,964.60

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Solution

The fourth proportional to 98,007,465.40, 147,011,198.10 and 82,701,964.60 is: 124,052,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,007,465.40 : 147,011,198.10 = 82,701,964.60 : x
  2. Step 2: Convert to fraction form
    98,007,465.40/147,011,198.10 = 82,701,964.60/x
  3. Step 3: Cross multiply
    98,007,465.40x = 147,011,198.10 × 82,701,964.60
  4. Step 4: Simplify right side
    98,007,465.40x = 12,158,114,901,069,786
  5. Step 5: Solve for x
    x = 12,158,114,901,069,786/98,007,465.40
  6. Step 6: Final answer
    x = 124,052,946.90

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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.