Home / 70,776,302.40-105,951,877.20-42,007,629.60

Finding the Fourth Proportional to 70,776,302.40, 105,951,877.20 and 42,007,629.60

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Solution

The fourth proportional to 70,776,302.40, 105,951,877.20 and 42,007,629.60 is: 62,885,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,776,302.40 : 105,951,877.20 = 42,007,629.60 : x
  2. Step 2: Convert to fraction form
    70,776,302.40/105,951,877.20 = 42,007,629.60/x
  3. Step 3: Cross multiply
    70,776,302.40x = 105,951,877.20 × 42,007,629.60
  4. Step 4: Simplify right side
    70,776,302.40x = 4,450,787,212,842,285.50
  5. Step 5: Solve for x
    x = 4,450,787,212,842,285.50/70,776,302.40
  6. Step 6: Final answer
    x = 62,885,274.62

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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.