Home / 315,542,773.30-473,365,019.98-97,193,013.82

Finding the Fourth Proportional to 315,542,773.30, 473,365,019.98 and 97,193,013.82

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Solution

The fourth proportional to 315,542,773.30, 473,365,019.98 and 97,193,013.82 is: 145,805,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,542,773.30 : 473,365,019.98 = 97,193,013.82 : x
  2. Step 2: Convert to fraction form
    315,542,773.30/473,365,019.98 = 97,193,013.82/x
  3. Step 3: Cross multiply
    315,542,773.30x = 473,365,019.98 × 97,193,013.82
  4. Step 4: Simplify right side
    315,542,773.30x = 46,007,772,928,820,712
  5. Step 5: Solve for x
    x = 46,007,772,928,820,712/315,542,773.30
  6. Step 6: Final answer
    x = 145,805,186.56

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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.