Home / 124,420,708.60-186,631,062.90-118,752,004.60

Finding the Fourth Proportional to 124,420,708.60, 186,631,062.90 and 118,752,004.60

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Solution

The fourth proportional to 124,420,708.60, 186,631,062.90 and 118,752,004.60 is: 178,128,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420,708.60 : 186,631,062.90 = 118,752,004.60 : x
  2. Step 2: Convert to fraction form
    124,420,708.60/186,631,062.90 = 118,752,004.60/x
  3. Step 3: Cross multiply
    124,420,708.60x = 186,631,062.90 × 118,752,004.60
  4. Step 4: Simplify right side
    124,420,708.60x = 22,162,812,840,003,688
  5. Step 5: Solve for x
    x = 22,162,812,840,003,688/124,420,708.60
  6. Step 6: Final answer
    x = 178,128,006.90

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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.