Home / 120,225,420.23-180,454,745.89-58,020,510.80

Finding the Fourth Proportional to 120,225,420.23, 180,454,745.89 and 58,020,510.80

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Solution

The fourth proportional to 120,225,420.23, 180,454,745.89 and 58,020,510.80 is: 87,087,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,225,420.23 : 180,454,745.89 = 58,020,510.80 : x
  2. Step 2: Convert to fraction form
    120,225,420.23/180,454,745.89 = 58,020,510.80/x
  3. Step 3: Cross multiply
    120,225,420.23x = 180,454,745.89 × 58,020,510.80
  4. Step 4: Simplify right side
    120,225,420.23x = 10,470,076,532,183,980
  5. Step 5: Solve for x
    x = 10,470,076,532,183,980/120,225,420.23
  6. Step 6: Final answer
    x = 87,087,044.59

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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.