Home / 119,946,143.74-165,536,773.66-72,892,357.60

Finding the Fourth Proportional to 119,946,143.74, 165,536,773.66 and 72,892,357.60

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Solution

The fourth proportional to 119,946,143.74, 165,536,773.66 and 72,892,357.60 is: 100,598,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,946,143.74 : 165,536,773.66 = 72,892,357.60 : x
  2. Step 2: Convert to fraction form
    119,946,143.74/165,536,773.66 = 72,892,357.60/x
  3. Step 3: Cross multiply
    119,946,143.74x = 165,536,773.66 × 72,892,357.60
  4. Step 4: Simplify right side
    119,946,143.74x = 12,066,365,701,343,368
  5. Step 5: Solve for x
    x = 12,066,365,701,343,368/119,946,143.74
  6. Step 6: Final answer
    x = 100,598,196.20

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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.