Home / 103,478,846.60-155,218,269.90-88,090,677.20

Finding the Fourth Proportional to 103,478,846.60, 155,218,269.90 and 88,090,677.20

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Solution

The fourth proportional to 103,478,846.60, 155,218,269.90 and 88,090,677.20 is: 132,136,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478,846.60 : 155,218,269.90 = 88,090,677.20 : x
  2. Step 2: Convert to fraction form
    103,478,846.60/155,218,269.90 = 88,090,677.20/x
  3. Step 3: Cross multiply
    103,478,846.60x = 155,218,269.90 × 88,090,677.20
  4. Step 4: Simplify right side
    103,478,846.60x = 13,673,282,509,303,378
  5. Step 5: Solve for x
    x = 13,673,282,509,303,378/103,478,846.60
  6. Step 6: Final answer
    x = 132,136,015.80

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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.