Home / 55,870,509.43-83,781,328.06-28,187,390.53

Finding the Fourth Proportional to 55,870,509.43, 83,781,328.06 and 28,187,390.53

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Solution

The fourth proportional to 55,870,509.43, 83,781,328.06 and 28,187,390.53 is: 42,268,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870,509.43 : 83,781,328.06 = 28,187,390.53 : x
  2. Step 2: Convert to fraction form
    55,870,509.43/83,781,328.06 = 28,187,390.53/x
  3. Step 3: Cross multiply
    55,870,509.43x = 83,781,328.06 × 28,187,390.53
  4. Step 4: Simplify right side
    55,870,509.43x = 2,361,577,013,149,267.50
  5. Step 5: Solve for x
    x = 2,361,577,013,149,267.50/55,870,509.43
  6. Step 6: Final answer
    x = 42,268,757.48

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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.