Home / 70,776,293.40-105,951,863.70-42,007,620.60

Finding the Fourth Proportional to 70,776,293.40, 105,951,863.70 and 42,007,620.60

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Solution

The fourth proportional to 70,776,293.40, 105,951,863.70 and 42,007,620.60 is: 62,885,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,776,293.40 : 105,951,863.70 = 42,007,620.60 : x
  2. Step 2: Convert to fraction form
    70,776,293.40/105,951,863.70 = 42,007,620.60/x
  3. Step 3: Cross multiply
    70,776,293.40x = 105,951,863.70 × 42,007,620.60
  4. Step 4: Simplify right side
    70,776,293.40x = 4,450,785,692,172,512.50
  5. Step 5: Solve for x
    x = 4,450,785,692,172,512.50/70,776,293.40
  6. Step 6: Final answer
    x = 62,885,261.13

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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.