Home / 290,614,879.64-435,675,420.81-135,258,904.34

Finding the Fourth Proportional to 290,614,879.64, 435,675,420.81 and 135,258,904.34

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Solution

The fourth proportional to 290,614,879.64, 435,675,420.81 and 135,258,904.34 is: 202,773,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,614,879.64 : 435,675,420.81 = 135,258,904.34 : x
  2. Step 2: Convert to fraction form
    290,614,879.64/435,675,420.81 = 135,258,904.34/x
  3. Step 3: Cross multiply
    290,614,879.64x = 435,675,420.81 × 135,258,904.34
  4. Step 4: Simplify right side
    290,614,879.64x = 58,928,980,064,450,664
  5. Step 5: Solve for x
    x = 58,928,980,064,450,664/290,614,879.64
  6. Step 6: Final answer
    x = 202,773,444.15

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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.