Home / 89,039,883.60-133,559,825.40-66,081,632.40

Finding the Fourth Proportional to 89,039,883.60, 133,559,825.40 and 66,081,632.40

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Solution

The fourth proportional to 89,039,883.60, 133,559,825.40 and 66,081,632.40 is: 99,122,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039,883.60 : 133,559,825.40 = 66,081,632.40 : x
  2. Step 2: Convert to fraction form
    89,039,883.60/133,559,825.40 = 66,081,632.40/x
  3. Step 3: Cross multiply
    89,039,883.60x = 133,559,825.40 × 66,081,632.40
  4. Step 4: Simplify right side
    89,039,883.60x = 8,825,851,285,490,983
  5. Step 5: Solve for x
    x = 8,825,851,285,490,983/89,039,883.60
  6. Step 6: Final answer
    x = 99,122,448.60

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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.