Home / 121,809,969.60-182,714,954.40-93,112,155.60

Finding the Fourth Proportional to 121,809,969.60, 182,714,954.40 and 93,112,155.60

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Solution

The fourth proportional to 121,809,969.60, 182,714,954.40 and 93,112,155.60 is: 139,668,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,809,969.60 : 182,714,954.40 = 93,112,155.60 : x
  2. Step 2: Convert to fraction form
    121,809,969.60/182,714,954.40 = 93,112,155.60/x
  3. Step 3: Cross multiply
    121,809,969.60x = 182,714,954.40 × 93,112,155.60
  4. Step 4: Simplify right side
    121,809,969.60x = 17,012,983,264,539,704
  5. Step 5: Solve for x
    x = 17,012,983,264,539,704/121,809,969.60
  6. Step 6: Final answer
    x = 139,668,233.40

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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.