Home / 43,776,020.40-65,664,030.60-42,880,225.20

Finding the Fourth Proportional to 43,776,020.40, 65,664,030.60 and 42,880,225.20

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Solution

The fourth proportional to 43,776,020.40, 65,664,030.60 and 42,880,225.20 is: 64,320,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,020.40 : 65,664,030.60 = 42,880,225.20 : x
  2. Step 2: Convert to fraction form
    43,776,020.40/65,664,030.60 = 42,880,225.20/x
  3. Step 3: Cross multiply
    43,776,020.40x = 65,664,030.60 × 42,880,225.20
  4. Step 4: Simplify right side
    43,776,020.40x = 2,815,688,419,667,691.50
  5. Step 5: Solve for x
    x = 2,815,688,419,667,691.50/43,776,020.40
  6. Step 6: Final answer
    x = 64,320,337.80

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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.