Home / 145,200,506.40-217,884,740.40-54,333,280.80

Finding the Fourth Proportional to 145,200,506.40, 217,884,740.40 and 54,333,280.80

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Solution

The fourth proportional to 145,200,506.40, 217,884,740.40 and 54,333,280.80 is: 81,531,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,200,506.40 : 217,884,740.40 = 54,333,280.80 : x
  2. Step 2: Convert to fraction form
    145,200,506.40/217,884,740.40 = 54,333,280.80/x
  3. Step 3: Cross multiply
    145,200,506.40x = 217,884,740.40 × 54,333,280.80
  4. Step 4: Simplify right side
    145,200,506.40x = 11,838,392,782,188,304
  5. Step 5: Solve for x
    x = 11,838,392,782,188,304/145,200,506.40
  6. Step 6: Final answer
    x = 81,531,346.38

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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.