Home / 70,464,008.20-105,696,012.30-65,362,174.60

Finding the Fourth Proportional to 70,464,008.20, 105,696,012.30 and 65,362,174.60

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Solution

The fourth proportional to 70,464,008.20, 105,696,012.30 and 65,362,174.60 is: 98,043,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,464,008.20 : 105,696,012.30 = 65,362,174.60 : x
  2. Step 2: Convert to fraction form
    70,464,008.20/105,696,012.30 = 65,362,174.60/x
  3. Step 3: Cross multiply
    70,464,008.20x = 105,696,012.30 × 65,362,174.60
  4. Step 4: Simplify right side
    70,464,008.20x = 6,908,521,210,476,348
  5. Step 5: Solve for x
    x = 6,908,521,210,476,348/70,464,008.20
  6. Step 6: Final answer
    x = 98,043,261.90

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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.