Home / 124,526,646.60-186,789,969.90-67,131,018.60

Finding the Fourth Proportional to 124,526,646.60, 186,789,969.90 and 67,131,018.60

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Solution

The fourth proportional to 124,526,646.60, 186,789,969.90 and 67,131,018.60 is: 100,696,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526,646.60 : 186,789,969.90 = 67,131,018.60 : x
  2. Step 2: Convert to fraction form
    124,526,646.60/186,789,969.90 = 67,131,018.60/x
  3. Step 3: Cross multiply
    124,526,646.60x = 186,789,969.90 × 67,131,018.60
  4. Step 4: Simplify right side
    124,526,646.60x = 12,539,400,943,650,340
  5. Step 5: Solve for x
    x = 12,539,400,943,650,340/124,526,646.60
  6. Step 6: Final answer
    x = 100,696,527.90

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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.