Home / 158,357,820.84-218,456,135.55-137,420,466.90

Finding the Fourth Proportional to 158,357,820.84, 218,456,135.55 and 137,420,466.90

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Solution

The fourth proportional to 158,357,820.84, 218,456,135.55 and 137,420,466.90 is: 189,572,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,357,820.84 : 218,456,135.55 = 137,420,466.90 : x
  2. Step 2: Convert to fraction form
    158,357,820.84/218,456,135.55 = 137,420,466.90/x
  3. Step 3: Cross multiply
    158,357,820.84x = 218,456,135.55 × 137,420,466.90
  4. Step 4: Simplify right side
    158,357,820.84x = 30,020,344,144,450,692
  5. Step 5: Solve for x
    x = 30,020,344,144,450,692/158,357,820.84
  6. Step 6: Final answer
    x = 189,572,854.60

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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.