Home / 120,765,424.16-180,980,543.32-55,025,903.36

Finding the Fourth Proportional to 120,765,424.16, 180,980,543.32 and 55,025,903.36

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Solution

The fourth proportional to 120,765,424.16, 180,980,543.32 and 55,025,903.36 is: 82,462,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,765,424.16 : 180,980,543.32 = 55,025,903.36 : x
  2. Step 2: Convert to fraction form
    120,765,424.16/180,980,543.32 = 55,025,903.36/x
  3. Step 3: Cross multiply
    120,765,424.16x = 180,980,543.32 × 55,025,903.36
  4. Step 4: Simplify right side
    120,765,424.16x = 9,958,617,886,766,614
  5. Step 5: Solve for x
    x = 9,958,617,886,766,614/120,765,424.16
  6. Step 6: Final answer
    x = 82,462,492.52

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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.