Home / 124,416,411.80-186,624,617.70-112,086,980.60

Finding the Fourth Proportional to 124,416,411.80, 186,624,617.70 and 112,086,980.60

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Solution

The fourth proportional to 124,416,411.80, 186,624,617.70 and 112,086,980.60 is: 168,130,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,411.80 : 186,624,617.70 = 112,086,980.60 : x
  2. Step 2: Convert to fraction form
    124,416,411.80/186,624,617.70 = 112,086,980.60/x
  3. Step 3: Cross multiply
    124,416,411.80x = 186,624,617.70 × 112,086,980.60
  4. Step 4: Simplify right side
    124,416,411.80x = 20,918,189,903,622,316
  5. Step 5: Solve for x
    x = 20,918,189,903,622,316/124,416,411.80
  6. Step 6: Final answer
    x = 168,130,470.90

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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.