Home / 142,024,234.90-213,036,352.35-51,136,014.10

Finding the Fourth Proportional to 142,024,234.90, 213,036,352.35 and 51,136,014.10

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Solution

The fourth proportional to 142,024,234.90, 213,036,352.35 and 51,136,014.10 is: 76,704,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,024,234.90 : 213,036,352.35 = 51,136,014.10 : x
  2. Step 2: Convert to fraction form
    142,024,234.90/213,036,352.35 = 51,136,014.10/x
  3. Step 3: Cross multiply
    142,024,234.90x = 213,036,352.35 × 51,136,014.10
  4. Step 4: Simplify right side
    142,024,234.90x = 10,893,829,917,582,168
  5. Step 5: Solve for x
    x = 10,893,829,917,582,168/142,024,234.90
  6. Step 6: Final answer
    x = 76,704,021.15

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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.