Home / 181,596,985.20-272,395,477.80-156,087,817.20

Finding the Fourth Proportional to 181,596,985.20, 272,395,477.80 and 156,087,817.20

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Solution

The fourth proportional to 181,596,985.20, 272,395,477.80 and 156,087,817.20 is: 234,131,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,596,985.20 : 272,395,477.80 = 156,087,817.20 : x
  2. Step 2: Convert to fraction form
    181,596,985.20/272,395,477.80 = 156,087,817.20/x
  3. Step 3: Cross multiply
    181,596,985.20x = 272,395,477.80 × 156,087,817.20
  4. Step 4: Simplify right side
    181,596,985.20x = 42,517,615,544,953,056
  5. Step 5: Solve for x
    x = 42,517,615,544,953,056/181,596,985.20
  6. Step 6: Final answer
    x = 234,131,725.80

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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.