Home / 89,039,897.60-133,559,846.40-66,081,646.40

Finding the Fourth Proportional to 89,039,897.60, 133,559,846.40 and 66,081,646.40

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Solution

The fourth proportional to 89,039,897.60, 133,559,846.40 and 66,081,646.40 is: 99,122,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039,897.60 : 133,559,846.40 = 66,081,646.40 : x
  2. Step 2: Convert to fraction form
    89,039,897.60/133,559,846.40 = 66,081,646.40/x
  3. Step 3: Cross multiply
    89,039,897.60x = 133,559,846.40 × 66,081,646.40
  4. Step 4: Simplify right side
    89,039,897.60x = 8,825,854,543,043,113
  5. Step 5: Solve for x
    x = 8,825,854,543,043,113/89,039,897.60
  6. Step 6: Final answer
    x = 99,122,469.60

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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.