Home / 124,416,004.80-186,624,007.20-69,996,446.40

Finding the Fourth Proportional to 124,416,004.80, 186,624,007.20 and 69,996,446.40

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Solution

The fourth proportional to 124,416,004.80, 186,624,007.20 and 69,996,446.40 is: 104,994,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,004.80 : 186,624,007.20 = 69,996,446.40 : x
  2. Step 2: Convert to fraction form
    124,416,004.80/186,624,007.20 = 69,996,446.40/x
  3. Step 3: Cross multiply
    124,416,004.80x = 186,624,007.20 × 69,996,446.40
  4. Step 4: Simplify right side
    124,416,004.80x = 13,063,017,316,928,014
  5. Step 5: Solve for x
    x = 13,063,017,316,928,014/124,416,004.80
  6. Step 6: Final answer
    x = 104,994,669.60

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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.