Home / 315,542,772.30-473,365,018.48-97,193,012.82

Finding the Fourth Proportional to 315,542,772.30, 473,365,018.48 and 97,193,012.82

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Solution

The fourth proportional to 315,542,772.30, 473,365,018.48 and 97,193,012.82 is: 145,805,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,542,772.30 : 473,365,018.48 = 97,193,012.82 : x
  2. Step 2: Convert to fraction form
    315,542,772.30/473,365,018.48 = 97,193,012.82/x
  3. Step 3: Cross multiply
    315,542,772.30x = 473,365,018.48 × 97,193,012.82
  4. Step 4: Simplify right side
    315,542,772.30x = 46,007,772,309,666,176
  5. Step 5: Solve for x
    x = 46,007,772,309,666,176/315,542,772.30
  6. Step 6: Final answer
    x = 145,805,185.06

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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.