Home / 93,345,311.80-140,017,967.70-80,580,230.20

Finding the Fourth Proportional to 93,345,311.80, 140,017,967.70 and 80,580,230.20

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Solution

The fourth proportional to 93,345,311.80, 140,017,967.70 and 80,580,230.20 is: 120,870,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,345,311.80 : 140,017,967.70 = 80,580,230.20 : x
  2. Step 2: Convert to fraction form
    93,345,311.80/140,017,967.70 = 80,580,230.20/x
  3. Step 3: Cross multiply
    93,345,311.80x = 140,017,967.70 × 80,580,230.20
  4. Step 4: Simplify right side
    93,345,311.80x = 11,282,680,069,402,164
  5. Step 5: Solve for x
    x = 11,282,680,069,402,164/93,345,311.80
  6. Step 6: Final answer
    x = 120,870,345.30

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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.