Home / 315,542,779.29-473,365,028.96-97,193,019.81

Finding the Fourth Proportional to 315,542,779.29, 473,365,028.96 and 97,193,019.81

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Solution

The fourth proportional to 315,542,779.29, 473,365,028.96 and 97,193,019.81 is: 145,805,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,542,779.29 : 473,365,028.96 = 97,193,019.81 : x
  2. Step 2: Convert to fraction form
    315,542,779.29/473,365,028.96 = 97,193,019.81/x
  3. Step 3: Cross multiply
    315,542,779.29x = 473,365,028.96 × 97,193,019.81
  4. Step 4: Simplify right side
    315,542,779.29x = 46,007,776,636,584,536
  5. Step 5: Solve for x
    x = 46,007,776,636,584,536/315,542,779.29
  6. Step 6: Final answer
    x = 145,805,195.54

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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.