Home / 66,066,890.70-99,100,336.05-18,197,834.70

Finding the Fourth Proportional to 66,066,890.70, 99,100,336.05 and 18,197,834.70

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Solution

The fourth proportional to 66,066,890.70, 99,100,336.05 and 18,197,834.70 is: 27,296,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066,890.70 : 99,100,336.05 = 18,197,834.70 : x
  2. Step 2: Convert to fraction form
    66,066,890.70/99,100,336.05 = 18,197,834.70/x
  3. Step 3: Cross multiply
    66,066,890.70x = 99,100,336.05 × 18,197,834.70
  4. Step 4: Simplify right side
    66,066,890.70x = 1,803,411,534,152,350.75
  5. Step 5: Solve for x
    x = 1,803,411,534,152,350.75/66,066,890.70
  6. Step 6: Final answer
    x = 27,296,752.05

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Double scale
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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.