Home / 80,852,499.20-121,278,748.80-23,346,646.40

Finding the Fourth Proportional to 80,852,499.20, 121,278,748.80 and 23,346,646.40

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Solution

The fourth proportional to 80,852,499.20, 121,278,748.80 and 23,346,646.40 is: 35,019,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,499.20 : 121,278,748.80 = 23,346,646.40 : x
  2. Step 2: Convert to fraction form
    80,852,499.20/121,278,748.80 = 23,346,646.40/x
  3. Step 3: Cross multiply
    80,852,499.20x = 121,278,748.80 × 23,346,646.40
  4. Step 4: Simplify right side
    80,852,499.20x = 2,831,452,064,068,024
  5. Step 5: Solve for x
    x = 2,831,452,064,068,024/80,852,499.20
  6. Step 6: Final answer
    x = 35,019,969.60

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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.