Home / 301,258,358.72-415,742,674.38-169,108,883.72

Finding the Fourth Proportional to 301,258,358.72, 415,742,674.38 and 169,108,883.72

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Solution

The fourth proportional to 301,258,358.72, 415,742,674.38 and 169,108,883.72 is: 233,373,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,258,358.72 : 415,742,674.38 = 169,108,883.72 : x
  2. Step 2: Convert to fraction form
    301,258,358.72/415,742,674.38 = 169,108,883.72/x
  3. Step 3: Cross multiply
    301,258,358.72x = 415,742,674.38 × 169,108,883.72
  4. Step 4: Simplify right side
    301,258,358.72x = 70,305,779,579,169,240
  5. Step 5: Solve for x
    x = 70,305,779,579,169,240/301,258,358.72
  6. Step 6: Final answer
    x = 233,373,705.80

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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.