Home / 126,782,972.39-174,964,827.04-71,030,743.67

Finding the Fourth Proportional to 126,782,972.39, 174,964,827.04 and 71,030,743.67

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Solution

The fourth proportional to 126,782,972.39, 174,964,827.04 and 71,030,743.67 is: 98,024,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,782,972.39 : 174,964,827.04 = 71,030,743.67 : x
  2. Step 2: Convert to fraction form
    126,782,972.39/174,964,827.04 = 71,030,743.67/x
  3. Step 3: Cross multiply
    126,782,972.39x = 174,964,827.04 × 71,030,743.67
  4. Step 4: Simplify right side
    126,782,972.39x = 12,427,881,779,691,724
  5. Step 5: Solve for x
    x = 12,427,881,779,691,724/126,782,972.39
  6. Step 6: Final answer
    x = 98,024,849.44

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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.