Home / 99,813,522,678.75-149,721,434,171.28-36,075,709,173.06

Finding the Fourth Proportional to 99,813,522,678.75, 149,721,434,171.28 and 36,075,709,173.06

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Solution

The fourth proportional to 99,813,522,678.75, 149,721,434,171.28 and 36,075,709,173.06 is: 54,113,979,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,813,522,678.75 : 149,721,434,171.28 = 36,075,709,173.06 : x
  2. Step 2: Convert to fraction form
    99,813,522,678.75/149,721,434,171.28 = 36,075,709,173.06/x
  3. Step 3: Cross multiply
    99,813,522,678.75x = 149,721,434,171.28 × 36,075,709,173.06
  4. Step 4: Simplify right side
    99,813,522,678.75x = 5,401,306,916,136,544,108,544
  5. Step 5: Solve for x
    x = 5,401,306,916,136,544,108,544/99,813,522,678.75
  6. Step 6: Final answer
    x = 54,113,979,460.69

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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.