Home / 106,434,905.40-159,652,358.10-66,124,121.40

Finding the Fourth Proportional to 106,434,905.40, 159,652,358.10 and 66,124,121.40

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Solution

The fourth proportional to 106,434,905.40, 159,652,358.10 and 66,124,121.40 is: 99,186,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434,905.40 : 159,652,358.10 = 66,124,121.40 : x
  2. Step 2: Convert to fraction form
    106,434,905.40/159,652,358.10 = 66,124,121.40/x
  3. Step 3: Cross multiply
    106,434,905.40x = 159,652,358.10 × 66,124,121.40
  4. Step 4: Simplify right side
    106,434,905.40x = 10,556,871,908,800,672
  5. Step 5: Solve for x
    x = 10,556,871,908,800,672/106,434,905.40
  6. Step 6: Final answer
    x = 99,186,182.10

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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.