Home / 77,038,815,463.20-105,936,567,396.75-66,859,871,573.66

Finding the Fourth Proportional to 77,038,815,463.20, 105,936,567,396.75 and 66,859,871,573.66

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Solution

The fourth proportional to 77,038,815,463.20, 105,936,567,396.75 and 66,859,871,573.66 is: 91,939,436,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,038,815,463.20 : 105,936,567,396.75 = 66,859,871,573.66 : x
  2. Step 2: Convert to fraction form
    77,038,815,463.20/105,936,567,396.75 = 66,859,871,573.66/x
  3. Step 3: Cross multiply
    77,038,815,463.20x = 105,936,567,396.75 × 66,859,871,573.66
  4. Step 4: Simplify right side
    77,038,815,463.20x = 7,082,905,291,101,082,484,736
  5. Step 5: Solve for x
    x = 7,082,905,291,101,082,484,736/77,038,815,463.20
  6. Step 6: Final answer
    x = 91,939,436,614.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.