Home / 99,525,560,130.84-149,394,578,065.20-42,893,371,333.56

Finding the Fourth Proportional to 99,525,560,130.84, 149,394,578,065.20 and 42,893,371,333.56

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Solution

The fourth proportional to 99,525,560,130.84, 149,394,578,065.20 and 42,893,371,333.56 is: 64,385,843,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,560,130.84 : 149,394,578,065.20 = 42,893,371,333.56 : x
  2. Step 2: Convert to fraction form
    99,525,560,130.84/149,394,578,065.20 = 42,893,371,333.56/x
  3. Step 3: Cross multiply
    99,525,560,130.84x = 149,394,578,065.20 × 42,893,371,333.56
  4. Step 4: Simplify right side
    99,525,560,130.84x = 6,408,037,112,171,141,791,744
  5. Step 5: Solve for x
    x = 6,408,037,112,171,141,791,744/99,525,560,130.84
  6. Step 6: Final answer
    x = 64,385,843,232.10

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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.