Home / 55,264,985.20-82,897,477.80-38,258,873.20

Finding the Fourth Proportional to 55,264,985.20, 82,897,477.80 and 38,258,873.20

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Solution

The fourth proportional to 55,264,985.20, 82,897,477.80 and 38,258,873.20 is: 57,388,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264,985.20 : 82,897,477.80 = 38,258,873.20 : x
  2. Step 2: Convert to fraction form
    55,264,985.20/82,897,477.80 = 38,258,873.20/x
  3. Step 3: Cross multiply
    55,264,985.20x = 82,897,477.80 × 38,258,873.20
  4. Step 4: Simplify right side
    55,264,985.20x = 3,171,564,091,750,015
  5. Step 5: Solve for x
    x = 3,171,564,091,750,015/55,264,985.20
  6. Step 6: Final answer
    x = 57,388,309.80

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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.