Home / 70,290,318.28-97,012,245.78-48,245,707.72

Finding the Fourth Proportional to 70,290,318.28, 97,012,245.78 and 48,245,707.72

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Solution

The fourth proportional to 70,290,318.28, 97,012,245.78 and 48,245,707.72 is: 66,587,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,290,318.28 : 97,012,245.78 = 48,245,707.72 : x
  2. Step 2: Convert to fraction form
    70,290,318.28/97,012,245.78 = 48,245,707.72/x
  3. Step 3: Cross multiply
    70,290,318.28x = 97,012,245.78 × 48,245,707.72
  4. Step 4: Simplify right side
    70,290,318.28x = 4,680,424,455,162,683
  5. Step 5: Solve for x
    x = 4,680,424,455,162,683/70,290,318.28
  6. Step 6: Final answer
    x = 66,587,043.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.