Home / 132,617,689.40-198,953,438.10-41,720,137.40

Finding the Fourth Proportional to 132,617,689.40, 198,953,438.10 and 41,720,137.40

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Solution

The fourth proportional to 132,617,689.40, 198,953,438.10 and 41,720,137.40 is: 62,588,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617,689.40 : 198,953,438.10 = 41,720,137.40 : x
  2. Step 2: Convert to fraction form
    132,617,689.40/198,953,438.10 = 41,720,137.40/x
  3. Step 3: Cross multiply
    132,617,689.40x = 198,953,438.10 × 41,720,137.40
  4. Step 4: Simplify right side
    132,617,689.40x = 8,300,364,773,734,394
  5. Step 5: Solve for x
    x = 8,300,364,773,734,394/132,617,689.40
  6. Step 6: Final answer
    x = 62,588,669.82

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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.