Home / 142,436,738.90-213,655,108.35-132,881,590.10

Finding the Fourth Proportional to 142,436,738.90, 213,655,108.35 and 132,881,590.10

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Solution

The fourth proportional to 142,436,738.90, 213,655,108.35 and 132,881,590.10 is: 199,322,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,436,738.90 : 213,655,108.35 = 132,881,590.10 : x
  2. Step 2: Convert to fraction form
    142,436,738.90/213,655,108.35 = 132,881,590.10/x
  3. Step 3: Cross multiply
    142,436,738.90x = 213,655,108.35 × 132,881,590.10
  4. Step 4: Simplify right side
    142,436,738.90x = 28,390,830,530,535,784
  5. Step 5: Solve for x
    x = 28,390,830,530,535,784/142,436,738.90
  6. Step 6: Final answer
    x = 199,322,385.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.