Home / 132,014,784.60-198,022,176.90-120,668,045.40

Finding the Fourth Proportional to 132,014,784.60, 198,022,176.90 and 120,668,045.40

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Solution

The fourth proportional to 132,014,784.60, 198,022,176.90 and 120,668,045.40 is: 181,002,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,014,784.60 : 198,022,176.90 = 120,668,045.40 : x
  2. Step 2: Convert to fraction form
    132,014,784.60/198,022,176.90 = 120,668,045.40/x
  3. Step 3: Cross multiply
    132,014,784.60x = 198,022,176.90 × 120,668,045.40
  4. Step 4: Simplify right side
    132,014,784.60x = 23,894,949,032,376,032
  5. Step 5: Solve for x
    x = 23,894,949,032,376,032/132,014,784.60
  6. Step 6: Final answer
    x = 181,002,068.10

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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.