Home / 147,840,738.89-221,604,725.51-55,684,603.90

Finding the Fourth Proportional to 147,840,738.89, 221,604,725.51 and 55,684,603.90

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Solution

The fourth proportional to 147,840,738.89, 221,604,725.51 and 55,684,603.90 is: 83,468,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,840,738.89 : 221,604,725.51 = 55,684,603.90 : x
  2. Step 2: Convert to fraction form
    147,840,738.89/221,604,725.51 = 55,684,603.90/x
  3. Step 3: Cross multiply
    147,840,738.89x = 221,604,725.51 × 55,684,603.90
  4. Step 4: Simplify right side
    147,840,738.89x = 12,339,971,361,006,130
  5. Step 5: Solve for x
    x = 12,339,971,361,006,130/147,840,738.89
  6. Step 6: Final answer
    x = 83,468,003.84

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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.