Home / 147,743,339.80-221,615,009.70-45,494,091.40

Finding the Fourth Proportional to 147,743,339.80, 221,615,009.70 and 45,494,091.40

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Solution

The fourth proportional to 147,743,339.80, 221,615,009.70 and 45,494,091.40 is: 68,241,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,339.80 : 221,615,009.70 = 45,494,091.40 : x
  2. Step 2: Convert to fraction form
    147,743,339.80/221,615,009.70 = 45,494,091.40/x
  3. Step 3: Cross multiply
    147,743,339.80x = 221,615,009.70 × 45,494,091.40
  4. Step 4: Simplify right side
    147,743,339.80x = 10,082,173,506,903,686
  5. Step 5: Solve for x
    x = 10,082,173,506,903,686/147,743,339.80
  6. Step 6: Final answer
    x = 68,241,137.10

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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.