Home / 122,527,763.10-169,084,018.33-66,772,045.77

Finding the Fourth Proportional to 122,527,763.10, 169,084,018.33 and 66,772,045.77

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Solution

The fourth proportional to 122,527,763.10, 169,084,018.33 and 66,772,045.77 is: 92,143,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,527,763.10 : 169,084,018.33 = 66,772,045.77 : x
  2. Step 2: Convert to fraction form
    122,527,763.10/169,084,018.33 = 66,772,045.77/x
  3. Step 3: Cross multiply
    122,527,763.10x = 169,084,018.33 × 66,772,045.77
  4. Step 4: Simplify right side
    122,527,763.10x = 11,290,085,811,124,802
  5. Step 5: Solve for x
    x = 11,290,085,811,124,802/122,527,763.10
  6. Step 6: Final answer
    x = 92,143,082.73

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