Home / 124,416,003.40-186,624,005.10-85,996,342.60

Finding the Fourth Proportional to 124,416,003.40, 186,624,005.10 and 85,996,342.60

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Solution

The fourth proportional to 124,416,003.40, 186,624,005.10 and 85,996,342.60 is: 128,994,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,003.40 : 186,624,005.10 = 85,996,342.60 : x
  2. Step 2: Convert to fraction form
    124,416,003.40/186,624,005.10 = 85,996,342.60/x
  3. Step 3: Cross multiply
    124,416,003.40x = 186,624,005.10 × 85,996,342.60
  4. Step 4: Simplify right side
    124,416,003.40x = 16,048,981,879,963,746
  5. Step 5: Solve for x
    x = 16,048,981,879,963,746/124,416,003.40
  6. Step 6: Final answer
    x = 128,994,513.90

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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.