Home / 447,946,143.60-671,919,215.40-124,830,015.60

Finding the Fourth Proportional to 447,946,143.60, 671,919,215.40 and 124,830,015.60

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Solution

The fourth proportional to 447,946,143.60, 671,919,215.40 and 124,830,015.60 is: 187,245,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,946,143.60 : 671,919,215.40 = 124,830,015.60 : x
  2. Step 2: Convert to fraction form
    447,946,143.60/671,919,215.40 = 124,830,015.60/x
  3. Step 3: Cross multiply
    447,946,143.60x = 671,919,215.40 × 124,830,015.60
  4. Step 4: Simplify right side
    447,946,143.60x = 83,875,686,140,321,760
  5. Step 5: Solve for x
    x = 83,875,686,140,321,760/447,946,143.60
  6. Step 6: Final answer
    x = 187,245,023.40

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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.