Home / 159,427,216.80-239,140,825.20-51,721,840.80

Finding the Fourth Proportional to 159,427,216.80, 239,140,825.20 and 51,721,840.80

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Solution

The fourth proportional to 159,427,216.80, 239,140,825.20 and 51,721,840.80 is: 77,582,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,427,216.80 : 239,140,825.20 = 51,721,840.80 : x
  2. Step 2: Convert to fraction form
    159,427,216.80/239,140,825.20 = 51,721,840.80/x
  3. Step 3: Cross multiply
    159,427,216.80x = 239,140,825.20 × 51,721,840.80
  4. Step 4: Simplify right side
    159,427,216.80x = 12,368,803,689,775,026
  5. Step 5: Solve for x
    x = 12,368,803,689,775,026/159,427,216.80
  6. Step 6: Final answer
    x = 77,582,761.20

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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.