Home / 56,778,309.71-85,168,140.41-15,835,257.77

Finding the Fourth Proportional to 56,778,309.71, 85,168,140.41 and 15,835,257.77

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Solution

The fourth proportional to 56,778,309.71, 85,168,140.41 and 15,835,257.77 is: 23,753,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,778,309.71 : 85,168,140.41 = 15,835,257.77 : x
  2. Step 2: Convert to fraction form
    56,778,309.71/85,168,140.41 = 15,835,257.77/x
  3. Step 3: Cross multiply
    56,778,309.71x = 85,168,140.41 × 15,835,257.77
  4. Step 4: Simplify right side
    56,778,309.71x = 1,348,659,457,183,903.50
  5. Step 5: Solve for x
    x = 1,348,659,457,183,903.50/56,778,309.71
  6. Step 6: Final answer
    x = 23,753,075.15

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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.