Home / 60,386,906.40-90,580,359.60-28,028,054.40

Finding the Fourth Proportional to 60,386,906.40, 90,580,359.60 and 28,028,054.40

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Solution

The fourth proportional to 60,386,906.40, 90,580,359.60 and 28,028,054.40 is: 42,042,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,386,906.40 : 90,580,359.60 = 28,028,054.40 : x
  2. Step 2: Convert to fraction form
    60,386,906.40/90,580,359.60 = 28,028,054.40/x
  3. Step 3: Cross multiply
    60,386,906.40x = 90,580,359.60 × 28,028,054.40
  4. Step 4: Simplify right side
    60,386,906.40x = 2,538,791,246,440,362
  5. Step 5: Solve for x
    x = 2,538,791,246,440,362/60,386,906.40
  6. Step 6: Final answer
    x = 42,042,081.60

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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.