Home / 145,408,000.40-218,112,000.60-43,187,814.80

Finding the Fourth Proportional to 145,408,000.40, 218,112,000.60 and 43,187,814.80

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Solution

The fourth proportional to 145,408,000.40, 218,112,000.60 and 43,187,814.80 is: 64,781,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,408,000.40 : 218,112,000.60 = 43,187,814.80 : x
  2. Step 2: Convert to fraction form
    145,408,000.40/218,112,000.60 = 43,187,814.80/x
  3. Step 3: Cross multiply
    145,408,000.40x = 218,112,000.60 × 43,187,814.80
  4. Step 4: Simplify right side
    145,408,000.40x = 9,419,780,687,570,288
  5. Step 5: Solve for x
    x = 9,419,780,687,570,288/145,408,000.40
  6. Step 6: Final answer
    x = 64,781,722.20

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1.5x scale

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.