Home / 124,871,587.20-187,307,380.80-122,958,399.60

Finding the Fourth Proportional to 124,871,587.20, 187,307,380.80 and 122,958,399.60

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Solution

The fourth proportional to 124,871,587.20, 187,307,380.80 and 122,958,399.60 is: 184,437,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,871,587.20 : 187,307,380.80 = 122,958,399.60 : x
  2. Step 2: Convert to fraction form
    124,871,587.20/187,307,380.80 = 122,958,399.60/x
  3. Step 3: Cross multiply
    124,871,587.20x = 187,307,380.80 × 122,958,399.60
  4. Step 4: Simplify right side
    124,871,587.20x = 23,031,015,776,435,768
  5. Step 5: Solve for x
    x = 23,031,015,776,435,768/124,871,587.20
  6. Step 6: Final answer
    x = 184,437,599.40

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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.