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Finding the Fourth Proportional to 61,243,134,835.80, 91,864,702,253.70 and 61,243,134,835.80

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Solution

The fourth proportional to 61,243,134,835.80, 91,864,702,253.70 and 61,243,134,835.80 is: 91,864,702,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,243,134,835.80 : 91,864,702,253.70 = 61,243,134,835.80 : x
  2. Step 2: Convert to fraction form
    61,243,134,835.80/91,864,702,253.70 = 61,243,134,835.80/x
  3. Step 3: Cross multiply
    61,243,134,835.80x = 91,864,702,253.70 × 61,243,134,835.80
  4. Step 4: Simplify right side
    61,243,134,835.80x = 5,626,082,346,773,969,371,136
  5. Step 5: Solve for x
    x = 5,626,082,346,773,969,371,136/61,243,134,835.80
  6. Step 6: Final answer
    x = 91,864,702,253.70

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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.