Home / 120,884,106.60-166,825,981.74-67,977,465.24

Finding the Fourth Proportional to 120,884,106.60, 166,825,981.74 and 67,977,465.24

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Solution

The fourth proportional to 120,884,106.60, 166,825,981.74 and 67,977,465.24 is: 93,812,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,884,106.60 : 166,825,981.74 = 67,977,465.24 : x
  2. Step 2: Convert to fraction form
    120,884,106.60/166,825,981.74 = 67,977,465.24/x
  3. Step 3: Cross multiply
    120,884,106.60x = 166,825,981.74 × 67,977,465.24
  4. Step 4: Simplify right side
    120,884,106.60x = 11,340,407,374,859,724
  5. Step 5: Solve for x
    x = 11,340,407,374,859,724/120,884,106.60
  6. Step 6: Final answer
    x = 93,812,228.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.