Home / 219,654,048.27-303,047,507.28-125,500,639.20

Finding the Fourth Proportional to 219,654,048.27, 303,047,507.28 and 125,500,639.20

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Solution

The fourth proportional to 219,654,048.27, 303,047,507.28 and 125,500,639.20 is: 173,147,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654,048.27 : 303,047,507.28 = 125,500,639.20 : x
  2. Step 2: Convert to fraction form
    219,654,048.27/303,047,507.28 = 125,500,639.20/x
  3. Step 3: Cross multiply
    219,654,048.27x = 303,047,507.28 × 125,500,639.20
  4. Step 4: Simplify right side
    219,654,048.27x = 38,032,655,871,606,648
  5. Step 5: Solve for x
    x = 38,032,655,871,606,648/219,654,048.27
  6. Step 6: Final answer
    x = 173,147,985.08

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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.