Home / 206,970,011.40-310,670,349.21-152,444,164.80

Finding the Fourth Proportional to 206,970,011.40, 310,670,349.21 and 152,444,164.80

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Solution

The fourth proportional to 206,970,011.40, 310,670,349.21 and 152,444,164.80 is: 228,824,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,970,011.40 : 310,670,349.21 = 152,444,164.80 : x
  2. Step 2: Convert to fraction form
    206,970,011.40/310,670,349.21 = 152,444,164.80/x
  3. Step 3: Cross multiply
    206,970,011.40x = 310,670,349.21 × 152,444,164.80
  4. Step 4: Simplify right side
    206,970,011.40x = 47,359,881,913,442,792
  5. Step 5: Solve for x
    x = 47,359,881,913,442,792/206,970,011.40
  6. Step 6: Final answer
    x = 228,824,850.48

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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.