Home / 43,849,905.60-65,774,858.40-31,520,474.40

Finding the Fourth Proportional to 43,849,905.60, 65,774,858.40 and 31,520,474.40

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Solution

The fourth proportional to 43,849,905.60, 65,774,858.40 and 31,520,474.40 is: 47,280,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,849,905.60 : 65,774,858.40 = 31,520,474.40 : x
  2. Step 2: Convert to fraction form
    43,849,905.60/65,774,858.40 = 31,520,474.40/x
  3. Step 3: Cross multiply
    43,849,905.60x = 65,774,858.40 × 31,520,474.40
  4. Step 4: Simplify right side
    43,849,905.60x = 2,073,254,740,360,824.75
  5. Step 5: Solve for x
    x = 2,073,254,740,360,824.75/43,849,905.60
  6. Step 6: Final answer
    x = 47,280,711.60

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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.