Home / 124,871,631.20-187,307,446.80-122,958,443.60

Finding the Fourth Proportional to 124,871,631.20, 187,307,446.80 and 122,958,443.60

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Solution

The fourth proportional to 124,871,631.20, 187,307,446.80 and 122,958,443.60 is: 184,437,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,871,631.20 : 187,307,446.80 = 122,958,443.60 : x
  2. Step 2: Convert to fraction form
    124,871,631.20/187,307,446.80 = 122,958,443.60/x
  3. Step 3: Cross multiply
    124,871,631.20x = 187,307,446.80 × 122,958,443.60
  4. Step 4: Simplify right side
    124,871,631.20x = 23,031,032,133,217,800
  5. Step 5: Solve for x
    x = 23,031,032,133,217,800/124,871,631.20
  6. Step 6: Final answer
    x = 184,437,665.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.