Home / 42,984,140.20-64,476,210.30-28,635,233.20

Finding the Fourth Proportional to 42,984,140.20, 64,476,210.30 and 28,635,233.20

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Solution

The fourth proportional to 42,984,140.20, 64,476,210.30 and 28,635,233.20 is: 42,952,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984,140.20 : 64,476,210.30 = 28,635,233.20 : x
  2. Step 2: Convert to fraction form
    42,984,140.20/64,476,210.30 = 28,635,233.20/x
  3. Step 3: Cross multiply
    42,984,140.20x = 64,476,210.30 × 28,635,233.20
  4. Step 4: Simplify right side
    42,984,140.20x = 1,846,291,317,792,741.75
  5. Step 5: Solve for x
    x = 1,846,291,317,792,741.75/42,984,140.20
  6. Step 6: Final answer
    x = 42,952,849.80

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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.