Home / 139,712,507.93-192,804,551.15-76,990,849.26

Finding the Fourth Proportional to 139,712,507.93, 192,804,551.15 and 76,990,849.26

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Solution

The fourth proportional to 139,712,507.93, 192,804,551.15 and 76,990,849.26 is: 106,248,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,712,507.93 : 192,804,551.15 = 76,990,849.26 : x
  2. Step 2: Convert to fraction form
    139,712,507.93/192,804,551.15 = 76,990,849.26/x
  3. Step 3: Cross multiply
    139,712,507.93x = 192,804,551.15 × 76,990,849.26
  4. Step 4: Simplify right side
    139,712,507.93x = 14,844,186,133,846,658
  5. Step 5: Solve for x
    x = 14,844,186,133,846,658/139,712,507.93
  6. Step 6: Final answer
    x = 106,248,082.97

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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.