Home / 70,579,327.60-105,868,991.40-67,593,343.60

Finding the Fourth Proportional to 70,579,327.60, 105,868,991.40 and 67,593,343.60

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Solution

The fourth proportional to 70,579,327.60, 105,868,991.40 and 67,593,343.60 is: 101,390,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579,327.60 : 105,868,991.40 = 67,593,343.60 : x
  2. Step 2: Convert to fraction form
    70,579,327.60/105,868,991.40 = 67,593,343.60/x
  3. Step 3: Cross multiply
    70,579,327.60x = 105,868,991.40 × 67,593,343.60
  4. Step 4: Simplify right side
    70,579,327.60x = 7,156,039,112,285,645
  5. Step 5: Solve for x
    x = 7,156,039,112,285,645/70,579,327.60
  6. Step 6: Final answer
    x = 101,390,015.40

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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.