Home / 55,254,585.70-82,881,878.55-18,850,877.20

Finding the Fourth Proportional to 55,254,585.70, 82,881,878.55 and 18,850,877.20

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Solution

The fourth proportional to 55,254,585.70, 82,881,878.55 and 18,850,877.20 is: 28,276,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,254,585.70 : 82,881,878.55 = 18,850,877.20 : x
  2. Step 2: Convert to fraction form
    55,254,585.70/82,881,878.55 = 18,850,877.20/x
  3. Step 3: Cross multiply
    55,254,585.70x = 82,881,878.55 × 18,850,877.20
  4. Step 4: Simplify right side
    55,254,585.70x = 1,562,396,114,651,364
  5. Step 5: Solve for x
    x = 1,562,396,114,651,364/55,254,585.70
  6. Step 6: Final answer
    x = 28,276,315.80

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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.