Home / 219,772,659.60-329,706,228.60-66,434,216.40

Finding the Fourth Proportional to 219,772,659.60, 329,706,228.60 and 66,434,216.40

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Solution

The fourth proportional to 219,772,659.60, 329,706,228.60 and 66,434,216.40 is: 99,665,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,772,659.60 : 329,706,228.60 = 66,434,216.40 : x
  2. Step 2: Convert to fraction form
    219,772,659.60/329,706,228.60 = 66,434,216.40/x
  3. Step 3: Cross multiply
    219,772,659.60x = 329,706,228.60 × 66,434,216.40
  4. Step 4: Simplify right side
    219,772,659.60x = 21,903,774,939,240,272
  5. Step 5: Solve for x
    x = 21,903,774,939,240,272/219,772,659.60
  6. Step 6: Final answer
    x = 99,665,604.35

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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.