Home / 99,653,607.18-149,429,205.81-45,036,609.66

Finding the Fourth Proportional to 99,653,607.18, 149,429,205.81 and 45,036,609.66

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Solution

The fourth proportional to 99,653,607.18, 149,429,205.81 and 45,036,609.66 is: 67,531,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,607.18 : 149,429,205.81 = 45,036,609.66 : x
  2. Step 2: Convert to fraction form
    99,653,607.18/149,429,205.81 = 45,036,609.66/x
  3. Step 3: Cross multiply
    99,653,607.18x = 149,429,205.81 × 45,036,609.66
  4. Step 4: Simplify right side
    99,653,607.18x = 6,729,784,813,868,774
  5. Step 5: Solve for x
    x = 6,729,784,813,868,774/99,653,607.18
  6. Step 6: Final answer
    x = 67,531,773.35

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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.