Home / 98,870,445.90-148,473,630.45-73,340,282.70

Finding the Fourth Proportional to 98,870,445.90, 148,473,630.45 and 73,340,282.70

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Solution

The fourth proportional to 98,870,445.90, 148,473,630.45 and 73,340,282.70 is: 110,135,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870,445.90 : 148,473,630.45 = 73,340,282.70 : x
  2. Step 2: Convert to fraction form
    98,870,445.90/148,473,630.45 = 73,340,282.70/x
  3. Step 3: Cross multiply
    98,870,445.90x = 148,473,630.45 × 73,340,282.70
  4. Step 4: Simplify right side
    98,870,445.90x = 10,889,098,030,698,328
  5. Step 5: Solve for x
    x = 10,889,098,030,698,328/98,870,445.90
  6. Step 6: Final answer
    x = 110,135,014.88

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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.