Home / 173,844,178.81-239,665,247.24-138,681,329.76

Finding the Fourth Proportional to 173,844,178.81, 239,665,247.24 and 138,681,329.76

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Solution

The fourth proportional to 173,844,178.81, 239,665,247.24 and 138,681,329.76 is: 191,189,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,844,178.81 : 239,665,247.24 = 138,681,329.76 : x
  2. Step 2: Convert to fraction form
    173,844,178.81/239,665,247.24 = 138,681,329.76/x
  3. Step 3: Cross multiply
    173,844,178.81x = 239,665,247.24 × 138,681,329.76
  4. Step 4: Simplify right side
    173,844,178.81x = 33,237,095,184,502,368
  5. Step 5: Solve for x
    x = 33,237,095,184,502,368/173,844,178.81
  6. Step 6: Final answer
    x = 191,189,002.77

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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.