Home / 93,345,206.80-140,017,810.20-80,580,125.20

Finding the Fourth Proportional to 93,345,206.80, 140,017,810.20 and 80,580,125.20

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Solution

The fourth proportional to 93,345,206.80, 140,017,810.20 and 80,580,125.20 is: 120,870,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,345,206.80 : 140,017,810.20 = 80,580,125.20 : x
  2. Step 2: Convert to fraction form
    93,345,206.80/140,017,810.20 = 80,580,125.20/x
  3. Step 3: Cross multiply
    93,345,206.80x = 140,017,810.20 × 80,580,125.20
  4. Step 4: Simplify right side
    93,345,206.80x = 11,282,652,676,145,836
  5. Step 5: Solve for x
    x = 11,282,652,676,145,836/93,345,206.80
  6. Step 6: Final answer
    x = 120,870,187.80

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1.5x scale

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.