Home / 142,565,965.30-213,938,906.85-60,684,712.84

Finding the Fourth Proportional to 142,565,965.30, 213,938,906.85 and 60,684,712.84

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Solution

The fourth proportional to 142,565,965.30, 213,938,906.85 and 60,684,712.84 is: 91,065,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,965.30 : 213,938,906.85 = 60,684,712.84 : x
  2. Step 2: Convert to fraction form
    142,565,965.30/213,938,906.85 = 60,684,712.84/x
  3. Step 3: Cross multiply
    142,565,965.30x = 213,938,906.85 × 60,684,712.84
  4. Step 4: Simplify right side
    142,565,965.30x = 12,982,821,127,495,760
  5. Step 5: Solve for x
    x = 12,982,821,127,495,760/142,565,965.30
  6. Step 6: Final answer
    x = 91,065,361.22

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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.