Home / 54,259,969.60-81,484,432.80-28,750,801.60

Finding the Fourth Proportional to 54,259,969.60, 81,484,432.80 and 28,750,801.60

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Solution

The fourth proportional to 54,259,969.60, 81,484,432.80 and 28,750,801.60 is: 43,176,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259,969.60 : 81,484,432.80 = 28,750,801.60 : x
  2. Step 2: Convert to fraction form
    54,259,969.60/81,484,432.80 = 28,750,801.60/x
  3. Step 3: Cross multiply
    54,259,969.60x = 81,484,432.80 × 28,750,801.60
  4. Step 4: Simplify right side
    54,259,969.60x = 2,342,742,760,921,332.50
  5. Step 5: Solve for x
    x = 2,342,742,760,921,332.50/54,259,969.60
  6. Step 6: Final answer
    x = 43,176,263.79

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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.