Home / 42,968,232.18-64,451,710.32-10,620,132.90

Finding the Fourth Proportional to 42,968,232.18, 64,451,710.32 and 10,620,132.90

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Solution

The fourth proportional to 42,968,232.18, 64,451,710.32 and 10,620,132.90 is: 15,930,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968,232.18 : 64,451,710.32 = 10,620,132.90 : x
  2. Step 2: Convert to fraction form
    42,968,232.18/64,451,710.32 = 10,620,132.90/x
  3. Step 3: Cross multiply
    42,968,232.18x = 64,451,710.32 × 10,620,132.90
  4. Step 4: Simplify right side
    42,968,232.18x = 684,485,729,230,701.50
  5. Step 5: Solve for x
    x = 684,485,729,230,701.50/42,968,232.18
  6. Step 6: Final answer
    x = 15,930,041.67

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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.