Home / 70,295,853.90-105,506,766.45-60,722,042.70

Finding the Fourth Proportional to 70,295,853.90, 105,506,766.45 and 60,722,042.70

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Solution

The fourth proportional to 70,295,853.90, 105,506,766.45 and 60,722,042.70 is: 91,137,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295,853.90 : 105,506,766.45 = 60,722,042.70 : x
  2. Step 2: Convert to fraction form
    70,295,853.90/105,506,766.45 = 60,722,042.70/x
  3. Step 3: Cross multiply
    70,295,853.90x = 105,506,766.45 × 60,722,042.70
  4. Step 4: Simplify right side
    70,295,853.90x = 6,406,586,377,515,828
  5. Step 5: Solve for x
    x = 6,406,586,377,515,828/70,295,853.90
  6. Step 6: Final answer
    x = 91,137,471.45

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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.