Home / 181,920,555.72-251,075,970.54-115,819,938.72

Finding the Fourth Proportional to 181,920,555.72, 251,075,970.54 and 115,819,938.72

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Solution

The fourth proportional to 181,920,555.72, 251,075,970.54 and 115,819,938.72 is: 159,847,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,920,555.72 : 251,075,970.54 = 115,819,938.72 : x
  2. Step 2: Convert to fraction form
    181,920,555.72/251,075,970.54 = 115,819,938.72/x
  3. Step 3: Cross multiply
    181,920,555.72x = 251,075,970.54 × 115,819,938.72
  4. Step 4: Simplify right side
    181,920,555.72x = 29,079,603,522,007,324
  5. Step 5: Solve for x
    x = 29,079,603,522,007,324/181,920,555.72
  6. Step 6: Final answer
    x = 159,847,816.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.