Home / 89,136,003.60-133,704,005.40-76,806,572.40

Finding the Fourth Proportional to 89,136,003.60, 133,704,005.40 and 76,806,572.40

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Solution

The fourth proportional to 89,136,003.60, 133,704,005.40 and 76,806,572.40 is: 115,209,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136,003.60 : 133,704,005.40 = 76,806,572.40 : x
  2. Step 2: Convert to fraction form
    89,136,003.60/133,704,005.40 = 76,806,572.40/x
  3. Step 3: Cross multiply
    89,136,003.60x = 133,704,005.40 × 76,806,572.40
  4. Step 4: Simplify right side
    89,136,003.60x = 10,269,346,370,925,092
  5. Step 5: Solve for x
    x = 10,269,346,370,925,092/89,136,003.60
  6. Step 6: Final answer
    x = 115,209,858.60

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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.