Home / 144,010,208.40-198,712,709.04-87,465,529.52

Finding the Fourth Proportional to 144,010,208.40, 198,712,709.04 and 87,465,529.52

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Solution

The fourth proportional to 144,010,208.40, 198,712,709.04 and 87,465,529.52 is: 120,689,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010,208.40 : 198,712,709.04 = 87,465,529.52 : x
  2. Step 2: Convert to fraction form
    144,010,208.40/198,712,709.04 = 87,465,529.52/x
  3. Step 3: Cross multiply
    144,010,208.40x = 198,712,709.04 × 87,465,529.52
  4. Step 4: Simplify right side
    144,010,208.40x = 17,380,512,318,537,290
  5. Step 5: Solve for x
    x = 17,380,512,318,537,290/144,010,208.40
  6. Step 6: Final answer
    x = 120,689,446.34

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1.5x scale

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.