Home / 148,359,392.67-204,708,890.91-85,612,599.72

Finding the Fourth Proportional to 148,359,392.67, 204,708,890.91 and 85,612,599.72

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Solution

The fourth proportional to 148,359,392.67, 204,708,890.91 and 85,612,599.72 is: 118,129,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359,392.67 : 204,708,890.91 = 85,612,599.72 : x
  2. Step 2: Convert to fraction form
    148,359,392.67/204,708,890.91 = 85,612,599.72/x
  3. Step 3: Cross multiply
    148,359,392.67x = 204,708,890.91 × 85,612,599.72
  4. Step 4: Simplify right side
    148,359,392.67x = 17,525,660,336,602,976
  5. Step 5: Solve for x
    x = 17,525,660,336,602,976/148,359,392.67
  6. Step 6: Final answer
    x = 118,129,765.98

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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.