Home / 76,032,006.30-114,048,009.45-28,181,612.70

Finding the Fourth Proportional to 76,032,006.30, 114,048,009.45 and 28,181,612.70

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Solution

The fourth proportional to 76,032,006.30, 114,048,009.45 and 28,181,612.70 is: 42,272,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,006.30 : 114,048,009.45 = 28,181,612.70 : x
  2. Step 2: Convert to fraction form
    76,032,006.30/114,048,009.45 = 28,181,612.70/x
  3. Step 3: Cross multiply
    76,032,006.30x = 114,048,009.45 × 28,181,612.70
  4. Step 4: Simplify right side
    76,032,006.30x = 3,214,056,831,525,840
  5. Step 5: Solve for x
    x = 3,214,056,831,525,840/76,032,006.30
  6. Step 6: Final answer
    x = 42,272,419.05

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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.