Home / 125,223,636.90-172,808,822.22-69,469,058.76

Finding the Fourth Proportional to 125,223,636.90, 172,808,822.22 and 69,469,058.76

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Solution

The fourth proportional to 125,223,636.90, 172,808,822.22 and 69,469,058.76 is: 95,867,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,223,636.90 : 172,808,822.22 = 69,469,058.76 : x
  2. Step 2: Convert to fraction form
    125,223,636.90/172,808,822.22 = 69,469,058.76/x
  3. Step 3: Cross multiply
    125,223,636.90x = 172,808,822.22 × 69,469,058.76
  4. Step 4: Simplify right side
    125,223,636.90x = 12,004,866,225,047,574
  5. Step 5: Solve for x
    x = 12,004,866,225,047,574/125,223,636.90
  6. Step 6: Final answer
    x = 95,867,413.87

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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.