Home / 74,862,670.20-112,294,005.30-18,128,974.20

Finding the Fourth Proportional to 74,862,670.20, 112,294,005.30 and 18,128,974.20

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Solution

The fourth proportional to 74,862,670.20, 112,294,005.30 and 18,128,974.20 is: 27,193,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862,670.20 : 112,294,005.30 = 18,128,974.20 : x
  2. Step 2: Convert to fraction form
    74,862,670.20/112,294,005.30 = 18,128,974.20/x
  3. Step 3: Cross multiply
    74,862,670.20x = 112,294,005.30 × 18,128,974.20
  4. Step 4: Simplify right side
    74,862,670.20x = 2,035,775,124,898,363
  5. Step 5: Solve for x
    x = 2,035,775,124,898,363/74,862,670.20
  6. Step 6: Final answer
    x = 27,193,461.30

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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.