Home / 124,416,009.60-186,624,014.40-115,912,953.60

Finding the Fourth Proportional to 124,416,009.60, 186,624,014.40 and 115,912,953.60

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Solution

The fourth proportional to 124,416,009.60, 186,624,014.40 and 115,912,953.60 is: 173,869,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,009.60 : 186,624,014.40 = 115,912,953.60 : x
  2. Step 2: Convert to fraction form
    124,416,009.60/186,624,014.40 = 115,912,953.60/x
  3. Step 3: Cross multiply
    124,416,009.60x = 186,624,014.40 × 115,912,953.60
  4. Step 4: Simplify right side
    124,416,009.60x = 21,632,140,721,792,932
  5. Step 5: Solve for x
    x = 21,632,140,721,792,932/124,416,009.60
  6. Step 6: Final answer
    x = 173,869,430.40

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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.