Home / 149,854,442.40-224,669,689.20-81,774,007.20

Finding the Fourth Proportional to 149,854,442.40, 224,669,689.20 and 81,774,007.20

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Solution

The fourth proportional to 149,854,442.40, 224,669,689.20 and 81,774,007.20 is: 122,599,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,854,442.40 : 224,669,689.20 = 81,774,007.20 : x
  2. Step 2: Convert to fraction form
    149,854,442.40/224,669,689.20 = 81,774,007.20/x
  3. Step 3: Cross multiply
    149,854,442.40x = 224,669,689.20 × 81,774,007.20
  4. Step 4: Simplify right side
    149,854,442.40x = 18,372,140,782,262,560
  5. Step 5: Solve for x
    x = 18,372,140,782,262,560/149,854,442.40
  6. Step 6: Final answer
    x = 122,599,907.54

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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.