Home / 119,039,042.30-164,291,807.40-72,656,249.63

Finding the Fourth Proportional to 119,039,042.30, 164,291,807.40 and 72,656,249.63

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Solution

The fourth proportional to 119,039,042.30, 164,291,807.40 and 72,656,249.63 is: 100,276,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039,042.30 : 164,291,807.40 = 72,656,249.63 : x
  2. Step 2: Convert to fraction form
    119,039,042.30/164,291,807.40 = 72,656,249.63/x
  3. Step 3: Cross multiply
    119,039,042.30x = 164,291,807.40 × 72,656,249.63
  4. Step 4: Simplify right side
    119,039,042.30x = 11,936,826,570,618,280
  5. Step 5: Solve for x
    x = 11,936,826,570,618,280/119,039,042.30
  6. Step 6: Final answer
    x = 100,276,567.59

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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.