Home / 125,223,637.90-172,808,823.60-69,469,059.76

Finding the Fourth Proportional to 125,223,637.90, 172,808,823.60 and 69,469,059.76

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Solution

The fourth proportional to 125,223,637.90, 172,808,823.60 and 69,469,059.76 is: 95,867,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,223,637.90 : 172,808,823.60 = 69,469,059.76 : x
  2. Step 2: Convert to fraction form
    125,223,637.90/172,808,823.60 = 69,469,059.76/x
  3. Step 3: Cross multiply
    125,223,637.90x = 172,808,823.60 × 69,469,059.76
  4. Step 4: Simplify right side
    125,223,637.90x = 12,004,866,493,723,698
  5. Step 5: Solve for x
    x = 12,004,866,493,723,698/125,223,637.90
  6. Step 6: Final answer
    x = 95,867,415.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.