Home / 119,946,143.49-165,536,773.32-72,892,357.35

Finding the Fourth Proportional to 119,946,143.49, 165,536,773.32 and 72,892,357.35

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Solution

The fourth proportional to 119,946,143.49, 165,536,773.32 and 72,892,357.35 is: 100,598,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,946,143.49 : 165,536,773.32 = 72,892,357.35 : x
  2. Step 2: Convert to fraction form
    119,946,143.49/165,536,773.32 = 72,892,357.35/x
  3. Step 3: Cross multiply
    119,946,143.49x = 165,536,773.32 × 72,892,357.35
  4. Step 4: Simplify right side
    119,946,143.49x = 12,066,365,634,650,312
  5. Step 5: Solve for x
    x = 12,066,365,634,650,312/119,946,143.49
  6. Step 6: Final answer
    x = 100,598,195.86

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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.