Home / 144,010,203.89-198,712,702.85-87,465,525.03

Finding the Fourth Proportional to 144,010,203.89, 198,712,702.85 and 87,465,525.03

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Solution

The fourth proportional to 144,010,203.89, 198,712,702.85 and 87,465,525.03 is: 120,689,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010,203.89 : 198,712,702.85 = 87,465,525.03 : x
  2. Step 2: Convert to fraction form
    144,010,203.89/198,712,702.85 = 87,465,525.03/x
  3. Step 3: Cross multiply
    144,010,203.89x = 198,712,702.85 × 87,465,525.03
  4. Step 4: Simplify right side
    144,010,203.89x = 17,380,510,883,912,064
  5. Step 5: Solve for x
    x = 17,380,510,883,912,064/144,010,203.89
  6. Step 6: Final answer
    x = 120,689,440.15

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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.