Home / 147,840,738.39-221,604,724.76-55,684,603.40

Finding the Fourth Proportional to 147,840,738.39, 221,604,724.76 and 55,684,603.40

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Solution

The fourth proportional to 147,840,738.39, 221,604,724.76 and 55,684,603.40 is: 83,468,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,840,738.39 : 221,604,724.76 = 55,684,603.40 : x
  2. Step 2: Convert to fraction form
    147,840,738.39/221,604,724.76 = 55,684,603.40/x
  3. Step 3: Cross multiply
    147,840,738.39x = 221,604,724.76 × 55,684,603.40
  4. Step 4: Simplify right side
    147,840,738.39x = 12,339,971,208,440,314
  5. Step 5: Solve for x
    x = 12,339,971,208,440,314/147,840,738.39
  6. Step 6: Final answer
    x = 83,468,003.09

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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.