Home / 80,820,386.10-121,230,579.15-23,314,533.30

Finding the Fourth Proportional to 80,820,386.10, 121,230,579.15 and 23,314,533.30

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Solution

The fourth proportional to 80,820,386.10, 121,230,579.15 and 23,314,533.30 is: 34,971,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820,386.10 : 121,230,579.15 = 23,314,533.30 : x
  2. Step 2: Convert to fraction form
    80,820,386.10/121,230,579.15 = 23,314,533.30/x
  3. Step 3: Cross multiply
    80,820,386.10x = 121,230,579.15 × 23,314,533.30
  4. Step 4: Simplify right side
    80,820,386.10x = 2,826,434,374,570,961
  5. Step 5: Solve for x
    x = 2,826,434,374,570,961/80,820,386.10
  6. Step 6: Final answer
    x = 34,971,799.95

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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.