Home / 99,756,438.80-149,336,059.80-89,006,896.40

Finding the Fourth Proportional to 99,756,438.80, 149,336,059.80 and 89,006,896.40

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Solution

The fourth proportional to 99,756,438.80, 149,336,059.80 and 89,006,896.40 is: 133,243,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,756,438.80 : 149,336,059.80 = 89,006,896.40 : x
  2. Step 2: Convert to fraction form
    99,756,438.80/149,336,059.80 = 89,006,896.40/x
  3. Step 3: Cross multiply
    99,756,438.80x = 149,336,059.80 × 89,006,896.40
  4. Step 4: Simplify right side
    99,756,438.80x = 13,291,939,203,402,806
  5. Step 5: Solve for x
    x = 13,291,939,203,402,806/99,756,438.80
  6. Step 6: Final answer
    x = 133,243,922.53

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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.